JPS51140514A - Signal processing circuit of no-contact - Google Patents
Signal processing circuit of no-contactInfo
- Publication number
- JPS51140514A JPS51140514A JP50064965A JP6496575A JPS51140514A JP S51140514 A JPS51140514 A JP S51140514A JP 50064965 A JP50064965 A JP 50064965A JP 6496575 A JP6496575 A JP 6496575A JP S51140514 A JPS51140514 A JP S51140514A
- Authority
- JP
- Japan
- Prior art keywords
- signal processing
- contact
- processing circuit
- matrix
- make sure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Input From Keyboards Or The Like (AREA)
Abstract
PURPOSE: To make sure signal processing and prevent mis-operation by detecting capacitance variations by means of a comparating circuit which has the variable capacitance switch arranged as a matrix.
COPYRIGHT: (C)1976,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50064965A JPS51140514A (en) | 1975-05-30 | 1975-05-30 | Signal processing circuit of no-contact |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50064965A JPS51140514A (en) | 1975-05-30 | 1975-05-30 | Signal processing circuit of no-contact |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS51140514A true JPS51140514A (en) | 1976-12-03 |
Family
ID=13273254
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50064965A Pending JPS51140514A (en) | 1975-05-30 | 1975-05-30 | Signal processing circuit of no-contact |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS51140514A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS527629A (en) * | 1975-07-08 | 1977-01-20 | Nippon Telegr & Teleph Corp <Ntt> | Contactless push-button switch |
JPS5370720A (en) * | 1976-12-07 | 1978-06-23 | Nec Corp | Character input device |
JPS5553727A (en) * | 1978-10-13 | 1980-04-19 | Omron Tateisi Electronics Co | Keyboard encorder |
JPS5734041U (en) * | 1981-06-11 | 1982-02-23 | ||
JP2008184839A (en) * | 2007-01-30 | 2008-08-14 | Shin Nikkei Co Ltd | Fence and method for erecting the same |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4955262A (en) * | 1972-09-29 | 1974-05-29 | ||
JPS4994256A (en) * | 1973-01-10 | 1974-09-06 |
-
1975
- 1975-05-30 JP JP50064965A patent/JPS51140514A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4955262A (en) * | 1972-09-29 | 1974-05-29 | ||
JPS4994256A (en) * | 1973-01-10 | 1974-09-06 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS527629A (en) * | 1975-07-08 | 1977-01-20 | Nippon Telegr & Teleph Corp <Ntt> | Contactless push-button switch |
JPS5370720A (en) * | 1976-12-07 | 1978-06-23 | Nec Corp | Character input device |
JPS5553727A (en) * | 1978-10-13 | 1980-04-19 | Omron Tateisi Electronics Co | Keyboard encorder |
JPS5636450B2 (en) * | 1978-10-13 | 1981-08-24 | ||
JPS5734041U (en) * | 1981-06-11 | 1982-02-23 | ||
JP2008184839A (en) * | 2007-01-30 | 2008-08-14 | Shin Nikkei Co Ltd | Fence and method for erecting the same |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS51140488A (en) | Mask alignment device | |
JPS5263036A (en) | Full addition and subtraction circuit | |
JPS51140514A (en) | Signal processing circuit of no-contact | |
JPS5224045A (en) | Digital pattern processor | |
JPS5218170A (en) | Position detection method | |
JPS5221728A (en) | Power restoration interruption circuit | |
JPS526063A (en) | Signal compressure circuit | |
JPS5221729A (en) | Key input device | |
JPS51120159A (en) | Timing circuit | |
JPS51126187A (en) | Temperature detection circuit | |
JPS5283126A (en) | Phase detecting circuit | |
JPS5222871A (en) | Sampler circuit | |
JPS51147736A (en) | Grounding detecting system | |
JPS51135427A (en) | Check circuit | |
JPS5220066A (en) | Current detecting circuit | |
JPS526100A (en) | Operation indication device for switch | |
JPS5233426A (en) | Mark read circuit | |
JPS5272257A (en) | Multiple point type liquid level device | |
JPS51135620A (en) | Signal switchover circuit | |
JPS5224516A (en) | Key switch operation detection circuit | |
JPS5334441A (en) | Falut processing circuit at single clock occurrence | |
JPS5376867A (en) | Maximum and minimum detecting circuit | |
JPS51129198A (en) | Abnormal supervisory circuit of trafic signal controll circuit. | |
JPS5275235A (en) | Wave shape circuit | |
JPS5442634A (en) | Protective relay inspection circuit |