JPS5223323A - Key switch operation detecting method - Google Patents
Key switch operation detecting methodInfo
- Publication number
- JPS5223323A JPS5223323A JP50099151A JP9915175A JPS5223323A JP S5223323 A JPS5223323 A JP S5223323A JP 50099151 A JP50099151 A JP 50099151A JP 9915175 A JP9915175 A JP 9915175A JP S5223323 A JPS5223323 A JP S5223323A
- Authority
- JP
- Japan
- Prior art keywords
- key switch
- detecting method
- switch operation
- operation detecting
- closing
- 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.)
- Granted
Links
Landscapes
- Electrophonic Musical Instruments (AREA)
- Input From Keyboards Or The Like (AREA)
Abstract
PURPOSE: Detect opening and closing of many switches installed in parallel efficiently.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50099151A JPS5941197B2 (en) | 1975-08-15 | 1975-08-15 | Key switch operation detection method |
GB32940/76A GB1555979A (en) | 1975-08-15 | 1976-08-06 | Device for detecting a key switch operation |
US05/712,815 US4148017A (en) | 1975-08-15 | 1976-08-09 | Device for detecting a key switch operation |
CA258,932A CA1086539A (en) | 1975-08-15 | 1976-08-12 | Device for detecting a key switch operation |
DE2636281A DE2636281C2 (en) | 1975-08-15 | 1976-08-12 | Device for identifying actuated key switches from a large number of key switches |
NL7609031A NL7609031A (en) | 1975-08-15 | 1976-08-13 | DEVICE FOR DETECTING THE OPERATION OF BUTTON SWITCHES. |
IT26291/76A IT1083954B (en) | 1975-08-15 | 1976-08-13 | DEVICE TO DETECT THE OPERATION OF KEY SWITCHES |
US06/076,319 USRE32069E (en) | 1975-08-15 | 1979-09-17 | Device for detecting a key switch operation |
CA358,207A CA1098740A (en) | 1975-08-15 | 1980-08-13 | Device for detecting a key switch operation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50099151A JPS5941197B2 (en) | 1975-08-15 | 1975-08-15 | Key switch operation detection method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5223323A true JPS5223323A (en) | 1977-02-22 |
JPS5941197B2 JPS5941197B2 (en) | 1984-10-05 |
Family
ID=14239677
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50099151A Expired JPS5941197B2 (en) | 1975-08-15 | 1975-08-15 | Key switch operation detection method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5941197B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5050230A (en) * | 1973-08-16 | 1975-05-06 | ||
JPS63106818A (en) * | 1986-10-24 | 1988-05-11 | Nippon Mektron Ltd | Input detecting method |
US5833491A (en) * | 1995-04-21 | 1998-11-10 | Sony Corporation | Electronic equipment having a miniaturized cell container having a securely locked cover with switch |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63128890U (en) * | 1987-02-14 | 1988-08-23 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4871624A (en) * | 1971-12-28 | 1973-09-27 |
-
1975
- 1975-08-15 JP JP50099151A patent/JPS5941197B2/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4871624A (en) * | 1971-12-28 | 1973-09-27 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5050230A (en) * | 1973-08-16 | 1975-05-06 | ||
JPS5236938B2 (en) * | 1973-08-16 | 1977-09-19 | ||
JPS63106818A (en) * | 1986-10-24 | 1988-05-11 | Nippon Mektron Ltd | Input detecting method |
US5833491A (en) * | 1995-04-21 | 1998-11-10 | Sony Corporation | Electronic equipment having a miniaturized cell container having a securely locked cover with switch |
Also Published As
Publication number | Publication date |
---|---|
JPS5941197B2 (en) | 1984-10-05 |
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