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1. 发明授权

US4054887A Exposure control device for photographic cameras 失效
标题翻译：照相机曝光控制装置
公开(公告)号：US4054887A
公开(公告)日：1977-10-18
申请号：US701802
申请日：1976-07-01
申请人： Werner Holle , Walter Bletz , Rolf Magel
发明人： Werner Holle , Walter Bletz , Rolf Magel
IPC分类号： G03B7/085 , G03B7/08
CPC分类号： G03B7/085
摘要： Exposure control device for a photographic camera wherein, in a part of the exposure control device, electronic means are provided in order to form, from the luminous density of an object, the film sensitivity, and the preselected time, a voltage analogous to a diaphragm setting, and wherein a storage means is provided for storing this value, the improvement comprising the combination of the following features:A. when the camera release is actuated, the diaphragm begins to operate from an initial position corresponding to the maximum diaphragm opening, a diaphragm path meter coupled therewith operating simultaneously with this diaphragm and yielding a value corresponding to the change in aperture;B. means are provided which compare the value produced by the diaphragm path meter with the stored value and, in case of identical values, or compensation of the values, stop the operation of the diaphragm by a stop member;C. furthermore, means are provided which add the remaining difference value between the formed value and the value formed by the diaphragm path meter to the value corresponding to the preselected time; andD. the open time of the shutter is formed by conventional electronic means in correspondence with the value delivered by the time setter, taking the difference value into account.
摘要翻译：用于照相机的曝光控制装置，其中在曝光控制装置的一部分中，设置电子装置以从物体的发光密度形成胶片感光度和预选时间，类似于光阑的电压设置，并且其中提供用于存储该值的存储装置，该改进包括以下特征的组合：

2. 发明授权

US4647175A Circuit arrangement for an electronic exposure meter 失效
标题翻译：电子曝光表的电路布置
公开(公告)号：US4647175A
公开(公告)日：1987-03-03
申请号：US757882
申请日：1985-07-23
申请人： Walter Bletz , Rolf Magel
发明人： Walter Bletz , Rolf Magel
IPC分类号： G01J1/44 , G03B7/04 , G03B7/26 , H03F3/08 , G03B7/02 , G03B17/18
CPC分类号： G03B7/04 , H03F3/087
摘要： In a switching circuit for an electronic exposure meter in optical devices with a photoelectric converter at the input of an amplifier which logarithmizes the output current from said converter, with a temperature compensation circuit and a photoelectric current limit value circuit and with an indicator, a voltage supply source having a main switch, means are provided on the device for coupling to the main switch. These means effect automatic connection or disconnection of the switching circuit to or from the supply source.
摘要翻译：在具有光电转换器的光学装置的电子曝光计的开关电路中，放大器的输入端对来自所述转换器的输出电流进行对数，用温度补偿电路和光电流限制值电路和指示器，电压具有主开关的供电源装置设置在与主开关连接的装置上。这些意味着切换电路自动连接或断开与供电源的连接或切断。

3. 发明授权

US5907727A Device for exposure metering 失效
标题翻译：曝光测光装置
公开(公告)号：US5907727A
公开(公告)日：1999-05-25
申请号：US914764
申请日：1997-08-20
申请人： Walter Bletz , Robert Denk , Gerhard Kranz , Rolf Magel
发明人： Walter Bletz , Robert Denk , Gerhard Kranz , Rolf Magel
IPC分类号： G01J1/02 , G03B7/093 , G03B7/0997 , G03B7/099
CPC分类号： G03B7/09971
摘要： A device for exposure metering in photographic cameras including a reflector located in the imaging beam path. The surface of the reflector is provided with a reflecting structure whose size corresponds at least approximately to that of the image recording format. At least one photoelectric receiver records the light intensity of a portion of the image reflected from the reflecting structure. The reflector is pivotally mounted in the camera housing such that during exposure metering the reflector surface is in the vicinity of the film plane of the camera. A limited portion of the reflector is transparent and a photoelectric receiver is set into the backside of the reflector behind the transparent portion.
摘要翻译：用于照相机中曝光测光的装置，包括位于成像光束路径中的反射器。反射器的表面设置有反射结构，其尺寸至少近似于图像记录格式的尺寸。至少一个光电接收器记录从反射结构反射的图像的一部分的光强度。反射器可枢转地安装在照相机壳体中，使得在曝光计量期间，反射器表面处于照相机的胶片平面附近。反射器的有限部分是透明的，并且光电接收器被设置在透明部分后面的反射器的背面。

4. 发明授权

US4117325A Optical objective focus indicator and display 失效
标题翻译：光学目标聚焦指示器和显示器
公开(公告)号：US4117325A
公开(公告)日：1978-09-26
申请号：US845666
申请日：1977-10-26
申请人： Werner Holle , Walter Bletz
发明人： Werner Holle , Walter Bletz
IPC分类号： G03B17/20 , H01J39/12 , G01J1/42
CPC分类号： G03B17/20
摘要： Apparatus for indicating and displaying the focus of an optical objective and particularly a photographic camera. An image of the object is projected by means of the objective onto a scanning disk or plate where the light rays are divided into two separate light beams originating from two different areas of the exit pupil of the objective. Two photoelectric detectors are provided behind said scanning disk with one of said light beams impinging on one detector. Each detector delivers an electrical signal, the phase difference between these signals being a measure of the degree of focus of the objective. For indicating said degree of focus two LED's (Light Emitting Diodes) are provided which are so coupled that for focus (phase difference = null) they are equally luminous and that for lack of focus they indicate the direction of the image offset from the focusing plane and approximately also the magnitude of this offset on account of their special coupling and their change in luminosity which is independent of object brightness.

5. 发明授权

US4737668A Circuit arrangement for reducing the settling time of logarithmic amplifiers 失效
标题翻译：降低对数放大器稳定时间的电路装置
公开(公告)号：US4737668A
公开(公告)日：1988-04-12
申请号：US911862
申请日：1986-09-26
申请人： Walter Bletz , Rolf Magel , Helmut Bill
发明人： Walter Bletz , Rolf Magel , Helmut Bill
IPC分类号： H03G11/08 , G01J1/44 , G03B7/081 , G06E3/00 , G06G7/24 , H03F1/30 , H03F3/08 , H03G3/20 , H03K5/00 , H03K3/42 , H03K17/56
CPC分类号： H03G3/3084 , G01J1/44 , H03F1/305 , H03F3/087
摘要： A circuit arrangement for reducing the settling time of amplifiers to which photoelectronic components are connected. A control circuit is provided which, operating in conjunction with components of this circuit arrangement, prevents the parasitic capacitance of the photoelectronic component from being charged up when the circuit arrangement is connected to the operating voltage.
摘要翻译：一种降低光电子元件连接到的放大器的稳定时间的电路装置。提供了一种控制电路，其与该电路装置的组件一起操作，以防止当电路装置连接到工作电压时光电子部件的寄生电容被充电。

6. 发明授权

US4694155A Circuit arrangement to ascertain and indicate that a luminous density limit condition is exceeded 失效
标题翻译：确定并指示超过了发光密度限制条件的电路布置
公开(公告)号：US4694155A
公开(公告)日：1987-09-15
申请号：US757881
申请日：1985-07-23
申请人： Walter Bletz , Rolf Magel
发明人： Walter Bletz , Rolf Magel
IPC分类号： G01J1/44 , G03B7/04 , G03B7/26 , H03F3/08 , H01J40/14
CPC分类号： G03B7/04 , H03F3/087
摘要： A circuit containing a photodiode for determining when there is sufficient illumination for an optical device to operate having provision for compensating signal variations due to temperature-dependent operation of the photodiode by supplying logarithmic means with an input from a potentiometer connected to a temperature-dependent distributor circuit.
摘要翻译：包含光电二极管的电路，用于确定何时有足够的照明用于光学装置的操作，其提供用于补偿由于光电二极管的温度依赖性操作引起的信号变化，通过将对数装置与来自与温度相关的分配器连接的电位器的输入电路。

7. 发明授权

US4195909A Scanning grating for a focus detector 失效
标题翻译：用于焦点检测器的扫描光栅
公开(公告)号：US4195909A
公开(公告)日：1980-04-01
申请号：US695917
申请日：1976-06-14
申请人： Werner Holle , Walter Bletz
发明人： Werner Holle , Walter Bletz
IPC分类号： G02B5/04 , G02B7/36 , G02B5/18
CPC分类号： G02B7/365 , G02B5/045
摘要： An improved scanning grating useful as an image scanner and spatial frequency filter, for a focusing detector to ascertain the focus of an optical system on deflecting the light incident from the optical system into two different directions for forming two images of the exit pupil or of parts thereof of said optical system. A slit grating is superimposed over the groove grating so that the ledges cover the peaks and the troughs thereof. It is thereby attained that the signals obtained from the peak and trough areas, which normally are more or less undefined, are exempt from evaluation. The ledges have a width ranging from 10 to 100 percent of that of the slit width.
摘要翻译：用于图像扫描器和空间频率滤波器的改进的扫描光栅，用于聚焦检测器，以确定光学系统的焦点将从光学系统入射的光偏转成两个不同的方向，以形成出射光瞳或部分的两个图像的光学系统。狭缝光栅叠加在凹槽光栅上，使得凸缘覆盖其峰和谷。从而获得从峰值和谷值区域获得的信号通常或多或少未被定义，可以免除评估。这些凸缘的宽度为狭缝宽度的10％至100％。

8. 发明授权

US4080611A Apparatus for storing a voltage analogous to an exposure parameter in photographic cameras 失效
标题翻译：用于存储与照相机中的曝光参数类似的电压的装置
公开(公告)号：US4080611A
公开(公告)日：1978-03-21
申请号：US701680
申请日：1976-07-01
申请人： Walter Bletz , Werner Holle
发明人： Walter Bletz , Werner Holle
IPC分类号： G03B7/093 , G03B7/095 , G03B9/62 , G03B7/08
CPC分类号： G03B7/093 , G03B7/095
摘要： Apparatus for storing a voltage analogous to an exposure parameter in photographic cameras with an electronic timer and with electric exposure measurement, having the characteristics that an analog-to-digital converter is provided as the storage unit, containing a digital-to-analog converter, the output voltage of which is fed to a comparator wherein this output voltage is compared with the voltage delivered by the exposure meter part. The signal obtained at the comparator output in the case of voltage identity stops the analog-to-digital converter and the voltage remaining at the output of the digital-to-analog converter controls the respective exposure parameter in the camera.
摘要翻译：用于将电子计时器和具有电曝光测量的照相机中类似于曝光参数的电压存储为具有模数转换器作为存储单元的特征的装置，其包含数模转换器，其输出电压被馈送到比较器，其中该输出电压与由曝光计部件输送的电压进行比较。在电压同步的情况下，在比较器输出端获得的信号会停止模数转换器，并且数模转换器输出端剩余的电压控制相机中的相应曝光参数。

9. 发明授权

US4047189A Electronic storage, indicator and exposure time control device for photographic cameras 失效
标题翻译：照相机电子存储，指示和曝光时间控制装置
公开(公告)号：US4047189A
公开(公告)日：1977-09-06
申请号：US666944
申请日：1976-03-15
申请人： Walter Bletz , Werner Holle
发明人： Walter Bletz , Werner Holle
IPC分类号： G03B7/093 , G03B7/08
CPC分类号： G03B7/093
摘要： An electronic device for storing and indicating illumination parameters and for controlling the exposure time for photographic cameras having an exposure meter and a timer. The exposure meter includes an analog/digital converter with a digital storage part having a plurality of binary stages. These various stages correspond to different intensities of illumination of an object. The timer includes a combination of binary ratio reducers and logic gates and these are adapted to be selected by the analog/digital converter or by manual adjustment. A generator produces impulses which control the timer.
摘要翻译：一种用于存储和指示照明参数并用于控制具有曝光计和定时器的照相机的曝光时间的电子设备。曝光表包括具有数字存储部分的具有多个二进制级的模拟/数字转换器。这些各个阶段对应于物体的不同的照明强度。定时器包括二进制比减速器和逻辑门的组合，并且它们适于由模拟/数字转换器或通过手动调整来选择。发生器产生控制定时器的脉冲。

10. 发明授权

US4541700A Method and devices for transferring electrical signal information between a photographic lens and camera 失效
标题翻译：用于在摄影镜头和相机之间传送电信号信息的方法和装置
公开(公告)号：US4541700A
公开(公告)日：1985-09-17
申请号：US515833
申请日：1983-07-21
申请人： Walter Bletz , Herbert Machmerth , Walter Mandler
发明人： Walter Bletz , Herbert Machmerth , Walter Mandler
IPC分类号： G02B7/14 , G02B7/28 , G03B7/20 , G03B13/36 , G03B17/14
CPC分类号： G03B17/14 , G02B7/14 , G03B7/20
摘要： Active lens components are provided for transmitting to a corresponding photographic camera information from a photographic field lens which is transformed into electrical signals. These components transform the information into electrical signals, the properties of which are convertible. The signals are transmitted to an evaluating circuit in the camera either serially via a contacting device or according to a predetermined chronological sequence. The evaluation circuit is provided with means by which the original information is gained back from the signals. The signals resulting from the recovery are fed to display means and/or to control arrangements for additional camera functions. The contact for the transfer of information is also employed as a power supply contact.
摘要翻译：有源透镜组件被提供用于从被转换成电信号的照相场透镜传输到相应的照相机信息。这些组件将信息转换成电信号，其特性是可转换的。这些信号经由接触装置或按照预定的时间顺序串行传输到相机中的评估电路。评估电路具有从信号中获得原始信息的装置。由恢复产生的信号被馈送到显示装置和/或控制用于附加相机功能的布置。用于传送信息的联系人也被用作电源触点。

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