NL189157B - INPUT DEVICE FOR A KEYBOARD. - Google Patents
INPUT DEVICE FOR A KEYBOARD.Info
- Publication number
- NL189157B NL189157B NL7502101A NL7502101A NL189157B NL 189157 B NL189157 B NL 189157B NL 7502101 A NL7502101 A NL 7502101A NL 7502101 A NL7502101 A NL 7502101A NL 189157 B NL189157 B NL 189157B
- Authority
- NL
- Netherlands
- Prior art keywords
- keyboard
- input device
- input
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/7013—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard in which the movable contacts of each switch site or of a row of switch sites are formed in a single plate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J15/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in continuous form, e.g. webs
- B41J15/04—Supporting, feeding, or guiding devices; Mountings for web rolls or spindles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/26—Devices, non-fluid media or methods for cancelling, correcting errors, underscoring or ruling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J5/00—Devices or arrangements for controlling character selection
- B41J5/08—Character or syllable selected by means of keys or keyboards of the typewriter type
- B41J5/12—Construction of key buttons
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2225/00—Switch site location
- H01H2225/018—Consecutive operations
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP49021683A JPS50113777A (en) | 1974-02-22 | 1974-02-22 | |
JP2168274A JPS50113329A (en) | 1974-02-22 | 1974-02-22 | |
JP50016101A JPS584366B2 (en) | 1975-02-07 | 1975-02-07 | Niyuuriyokusouchi |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7502101A NL7502101A (en) | 1975-08-26 |
NL189157B true NL189157B (en) | 1992-08-17 |
NL189157C NL189157C (en) | 1993-01-18 |
Family
ID=27281252
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7502101A NL189157C (en) | 1974-02-22 | 1975-02-21 | INPUT DEVICE FOR A KEYBOARD. |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE2507581C2 (en) |
NL (1) | NL189157C (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4409599A (en) * | 1980-10-27 | 1983-10-11 | Casio Computer Co., Ltd. | Printing control device for thermal printer |
DE8912310U1 (en) * | 1989-10-17 | 1989-12-07 | Schweers Informationstechnologie Gmbh, 4150 Krefeld | Mobile data collection device |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3684842A (en) * | 1970-07-01 | 1972-08-15 | Texas Instruments Inc | Pushbutton keyboard switch assembly with improved over center diaphragm contact |
-
1975
- 1975-02-21 DE DE19752507581 patent/DE2507581C2/en not_active Expired
- 1975-02-21 NL NL7502101A patent/NL189157C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NL7502101A (en) | 1975-08-26 |
DE2507581A1 (en) | 1975-08-28 |
DE2507581C2 (en) | 1981-09-17 |
NL189157C (en) | 1993-01-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BA | A request for search or an international-type search has been filed | ||
BT | A document has been added to the application laid open to public inspection | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
A85 | Still pending on 85-01-01 | ||
V4 | Lapsed because of reaching the maxim lifetime of a patent |