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    • 5. 发明专利
    • MECHANISM FOR AUTOMATICALLY ADJUSTING HEAD GAP OF PRINTER
    • JPS62187063A
    • 1987-08-15
    • JP2791586
    • 1986-02-13
    • TAMURA ELECTRIC WORKS LTDNEC CORP
    • YAMAMOTO MASAOYAMAMOTO BANNAGAI MIKIO
    • B41J23/04B41J25/308
    • PURPOSE:To contact a printing head with recording paper under pressure by proper pressure contact force regardless of the thickness of the recording paper, by transmitting the rotation of a drive motor not only to an eccentric shaft by a friction clutch at the time of zero position detecting operation but also to the eccentric shaft by a one-way clutch at the time of head gap setting operation. CONSTITUTION:Because a printing head is moved up and down by driving a stepping motor 34, a head gap can be automatically adjusted. A rotation transmitting mechanism 35 is equipped with a friction clutch 46 transmitting the rotation of the motor 34 to an eccentric shaft 32 at the time of zero position detecting operation (pressing operation) and a one-way clutch 40 transmitting the rotation of the motor 34 to the eccentric shaft 32 at the time of gap setting operation (returning operation) raising the printing head by definite quantity from a zero position. Because of this, the printing head can be pressed to recording paper by proper pressure contact force. As a result, the trouble such as impressing trace or contamination of the recording paper is prevented and the compressing change thereof is reduced and the detection accuracy of the zero position is enhanced and the head gap can be set certainly.
    • 6. 发明专利
    • Motor timer
    • 电机定时器
    • JPS58190247A
    • 1983-11-07
    • JP7203682
    • 1982-04-28
    • Tamura Electric Works Ltd
    • YAMAMOTO BAN
    • H02K5/16H02K7/116
    • H02K7/116
    • PURPOSE:To adequately engage a drive gear of a synchronous motor with the first-stage gear of a reduction gear train by supporting one end of a rotational shaft of the motor by bearings provided integrally with a timer case in the case. CONSTITUTION:A hole 1a for engaging a drive gear 6 which is journaled at a rotational shaft 4 of a synchronous motor 3 in the case 1 is opened on the upper surface of a case 1 which is formed substantially in a box shape, and a bearing 1d for supporting one end of the shaft 4 at the gear 6 side is provided in a cavity. A synchronous motor 3, in which the other end of the shaft 4 is supported via the bearing 9d of a bobbin case 9, is mounted fixedly in the state positioned in the case 1, the gear 6 of the shaft 4 is engaged with the first-stage gear 11a of a reduction gear train 11 provided in the case 1, and the contact 15a of a leaf switch 15 is opened or closed by a disc cam 12 which is fixed to the final-stage gear 11b of the gear train 11.
    • 目的:通过与壳体中的定时器壳体一体设置的轴承支撑电动机的旋转轴的一端,使同步电动机的驱动齿轮与减速齿轮系的第一级齿轮充分接合。 构成:用于接合位于壳体1中的同步电动机3的旋转轴4处的驱动齿轮6的孔1a在基本上形成为箱形的壳体1的上表面上开口, 1d在齿轮6侧支撑轴4的一端设置在空腔中。 通过梭壳9的轴承9d支撑轴4的另一端的同步电动机3固定地安装在位于壳体1中的状态下,轴4的齿轮6与第一 - 设置在壳体1中的减速齿轮系11的台阶齿轮11a,叶片开关15的接点15a由固定在齿轮系11的末级齿轮11b上的盘形凸轮12打开或关闭。
    • 7. 发明专利
    • FACSIMILE EQUIPMENT
    • JPH04302269A
    • 1992-10-26
    • JP8897791
    • 1991-03-29
    • TAMURA ELECTRIC WORKS LTD
    • MIZUSHIMA YOSHIYUKIYAMAMOTO BAN
    • H04N1/387
    • PURPOSE:To shorten time for transmission in the case of transmitting plural small originals or transmitting plural originals having blank parts by synthesizing and transmitting information on a display screen. CONSTITUTION:An incoming call detection circuit 6 detects the existence of a signal inputted from a line wire 2 and when an incoming call is detected, an incoming call signal is read by an image sensor 9 and stored in a memory 13. A CPU 1 judges whether pictures are synthesized in the contents of the memory 13 or not and when there is no synthesized picture, the contents of the memory are transmitted by a FAX as they are. When there is the synthesized picture in the contents of the memory, the original is set by a dial key 11 and a processing is executed to turn the function of the memory 13 to an adding operation. The successively added and read originals are stored in the memory 13. When reading is completed, the CPU 1 reads out the contents of the memory 13 and transmits them by the FAX.