专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JPS54125028A FOCUS DETECTOR 失效
公开(公告)号：JPS54125028A
公开(公告)日：1979-09-28
申请号：JP3261078
申请日：1978-03-22
申请人： SEIKO KOKI KK
发明人： KITAI KIYOSHI , NAGAOKA SHINJI , TAKAZAWA YUZURU
IPC分类号： G03B13/36 , G02B7/30 , G03B3/00

2. 发明专利

JPS51117069A DRIVING MECHANISM OF ELECTRIC CLOCK 失效
公开(公告)号：JPS51117069A
公开(公告)日：1976-10-14
申请号：JP4197075
申请日：1975-04-07
申请人： SEIKO KOKI KK
发明人： KITAI KIYOSHI , OGIWARA MASUO , SATOU KOUZOU , SHINOZAKI MARUO , SEKI YOUICHI , TAKAZAWA YUZURU
IPC分类号： G04C3/14 , H02K37/14
摘要： PURPOSE:To provide a driving mechanism for step handling of needle of a watch using rotatable magnet, which functions with simple imput signal.

3. 发明专利

JPS54135528A FOCUS DETECTOR 失效
公开(公告)号：JPS54135528A
公开(公告)日：1979-10-20
申请号：JP4299778
申请日：1978-04-12
申请人： SEIKO KOKI KK
发明人： KITAI KIYOSHI , NAGAOKA SHINJI , TAKAZAWA YUZURU
IPC分类号： G01C3/06 , G01C3/00 , G02B7/30 , G03B3/00 , G03B13/36

4. 发明专利

JPS5499625A DEVICE FOR SWITCHING BETWEEN INTENISITY DETECTING CIRCUIT AND EXPOSUUE CONTROL CIRCUIT FOR ELECTRIC SHUTTER 失效
公开(公告)号：JPS5499625A
公开(公告)日：1979-08-06
申请号：JP641078
申请日：1978-01-24
申请人： SEIKO KOKI KK
发明人： KITAI KIYOSHI , TAKAZAWA YUZURU , NAGAOKA SHINJI
IPC分类号： G03B7/083 , G03B9/62

5. 发明专利

JPS55153921A AUTOMATIC FOCUS CONTROLLER 失效
公开(公告)号：JPS55153921A
公开(公告)日：1980-12-01
申请号：JP6081979
申请日：1979-05-17
申请人： SEIKO KOKI KK
发明人： SAITOU TAKEO , ISHIDA HIROAKI , YORIKAWA HISASHI , NAGAOKA SHINJI , TAKAZAWA YUZURU
IPC分类号： G03B13/36 , G02B7/28 , G02B7/30
摘要： PURPOSE:To make the required automatic distance controlling possible even when no focus detection signal is obtainable by performing two stages of distance controlling according to subject luminance when the peak detection of the correlation signals by stationary and moving mirrors cannot be made. CONSTITUTION:When a movable mirror turns cooperatively with a distance setting member, the count value of a counter 31 corresponding to the turning of the movable mirror is shifted in a counter 32 until the focus detection signal PH becomes of a maximum value every time when the contact piece 61 of the contacts 62 abuts against the contact pieces P1, P3..., P2, P4... of the contacts 63, 64. At the time of focusing, an NAND gate 34 is controlled by way of the counter 32 and the electromagnet-controlling signal is generated.

6. 发明专利

JPS5529835A SHUTTER CONTROL CIRCUIT HAVING INFORMATION INTRODUCTION CIRCUIT FOR FLASH PHOTOGRAPHY 失效
公开(公告)号：JPS5529835A
公开(公告)日：1980-03-03
申请号：JP10258578
申请日：1978-08-23
申请人： SEIKO KOKI KK
发明人： TAKAZAWA YUZURU , NAGAOKA SHINJI
IPC分类号： G03B7/087 , G03B7/16 , G03B17/18
摘要： PURPOSE:To obtain shutter control circuit capable of introducing necessary information for flash photography such as subject distance and guide number at the time of flash photography, by using a trigger level of switching circuit using the circuit cinsisting of photoconductive elements and others as the input. CONSTITUTION:At the time of flash photography, switches 17 and 18 are set at the FM side. By means of a switch 12 in a film sensitivity setting block 11, the position corresponding to the film sensitivity is selected. A distance setting block 13 is set by a switch 14. In this state, when a power switch 2 is closed, a current flows into each part in the circuit, and an electromagnet 9 is excited to close the shutter and hold the member, so that the ready state is established. On the other hand, the input of a switching circuit 3 is changed into a bleeder circuit by means of composite resistance of photoconductive element 4 and resistor 16 and a comparative resistor 7, and the partial voltage is inputted. The trigger level of the switching circuit 3 is the level obtained by composing by means of the film sensitivity setting block 11 and distance setting block 13 and resistors 15, 19.

7. 发明专利

JPS5471621A AUTOMATIC AND MANUAL FOCUSING CONTROL CAMERA SWITCH 失效
公开(公告)号：JPS5471621A
公开(公告)日：1979-06-08
申请号：JP13873177
申请日：1977-11-18
申请人： SEIKO KOKI KK
发明人： KITAI KIYOSHI , KOBAYASHI MASARU , NAKAGAWA TADASHI , ISHIDA HIROAKI , WATANABE MASANORI , TAKAZAWA YUZURU
IPC分类号： G03B13/36 , G02B7/28 , G03B3/00 , G03B3/10 , G03B9/08 , G03B15/05

8. 发明专利

JPS51137827A DRIVE CIRCUIT FOR SYNCHRONOUS MOTOR 失效
公开(公告)号：JPS51137827A
公开(公告)日：1976-11-29
申请号：JP6151375
申请日：1975-05-22
申请人： SEIKO KOKI KK
发明人： OGIWARA MASUO , SATOU KOUZOU , SHINOZAKI NOBUO , TAKAZAWA YUZURU , SEKI YOUICHI
IPC分类号： H02P27/06 , H02P25/02 , H02P25/022
摘要： PURPOSE:To provide a drive circuit for a synchronous motor, which is provided with a polarized rotor having a polarized capacitor for applying current of the polarity inverted for every constant period of time to a magnetic field generation means.

9. 发明专利

JPS6120844B2 JPS6120844B2 - 失效
公开(公告)号：JPS6120844B2
公开(公告)日：1986-05-24
申请号：JP4281578
申请日：1978-04-11
申请人： Seiko Koki Kk
发明人： KITAI KYOSHI , TAKAZAWA YUZURU
IPC分类号： G03B13/36 , G02B7/30 , G03B3/00 , H01L31/10

10. 发明专利

JPS6042461B2 失效
公开(公告)号：JPS6042461B2
公开(公告)日：1985-09-21
申请号：JP15926977
申请日：1977-12-29
申请人： SEIKO KOKI KK
发明人： KITAI KYOSHI , TAKAZAWA YUZURU
IPC分类号： G03B13/36 , G02B7/09 , G02B7/28 , G03B3/00 , G03B3/10 , G03B9/08

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式