JPS5057540A - - Google Patents
Info
- Publication number
- JPS5057540A JPS5057540A JP49105934A JP10593474A JPS5057540A JP S5057540 A JPS5057540 A JP S5057540A JP 49105934 A JP49105934 A JP 49105934A JP 10593474 A JP10593474 A JP 10593474A JP S5057540 A JPS5057540 A JP S5057540A
- Authority
- JP
- Japan
- 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
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M11/00—Coding in connection with keyboards or like devices, i.e. coding of the position of operated keys
- H03M11/22—Static coding
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3633375A GB1489128A (en) | 1974-09-13 | 1975-09-03 | Smoke detectors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US397153A US3928789A (en) | 1973-09-13 | 1973-09-13 | Switch interlock circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5057540A true JPS5057540A (ja) | 1975-05-20 |
Family
ID=23570041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP49105934A Pending JPS5057540A (ja) | 1973-09-13 | 1974-09-13 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3928789A (ja) |
| JP (1) | JPS5057540A (ja) |
| CA (1) | CA1010792A (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5350930A (en) * | 1976-10-20 | 1978-05-09 | Nec Corp | Double keying prevention circuit between plural units of keyboard encoders |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4015254A (en) * | 1975-12-04 | 1977-03-29 | General Motors Corporation | Keyboard encoding circuit utilizing an A/D converter |
| US4293849A (en) * | 1979-05-23 | 1981-10-06 | Phillips Petroleum Company | Keyboard encoder using priority encoders |
| US4346369A (en) * | 1979-10-01 | 1982-08-24 | Phillips Petroleum Company | Keyboard encoder-decoder |
| US4400818A (en) * | 1981-01-29 | 1983-08-23 | Burroughs Corporation | Rotary switch simulator |
| US4447798A (en) * | 1981-03-03 | 1984-05-08 | Burroughs Corporation | Processor select switch |
| BE897772A (fr) * | 1983-09-19 | 1984-03-19 | Itt Ind Belgium | Contacts electroniques et dispositifs associes |
| US4817010A (en) * | 1987-03-02 | 1989-03-28 | Mars Incorporated | Vending machine control with improved vendor selector switch detection and decoding apparatus |
| US5555397A (en) * | 1992-01-10 | 1996-09-10 | Kawasaki Steel Corporation | Priority encoder applicable to large capacity content addressable memory |
| CN1046585C (zh) * | 1993-12-31 | 1999-11-17 | 旭丽股份有限公司 | 键盘薄膜制造方法 |
| TWI513157B (zh) | 2013-11-29 | 2015-12-11 | Ind Tech Res Inst | 直流轉交流轉換器的互鎖裝置與三相互鎖裝置 |
| CN108509062A (zh) * | 2018-04-10 | 2018-09-07 | 西京学院 | 一种基于优先编码器的键盘装置及识键方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3771130A (en) * | 1972-10-10 | 1973-11-06 | Lear Siegler Inc | Mode selection network |
-
1973
- 1973-09-13 US US397153A patent/US3928789A/en not_active Expired - Lifetime
-
1974
- 1974-07-04 CA CA204,062A patent/CA1010792A/en not_active Expired
- 1974-09-13 JP JP49105934A patent/JPS5057540A/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5350930A (en) * | 1976-10-20 | 1978-05-09 | Nec Corp | Double keying prevention circuit between plural units of keyboard encoders |
Also Published As
| Publication number | Publication date |
|---|---|
| US3928789A (en) | 1975-12-23 |
| CA1010792A (en) | 1977-05-24 |