BE671971A - - Google Patents
Info
- Publication number
- BE671971A BE671971A BE671971DA BE671971A BE 671971 A BE671971 A BE 671971A BE 671971D A BE671971D A BE 671971DA BE 671971 A BE671971 A BE 671971A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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
- B41J5/14—Construction of key levers
-
- 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
- B41J7/00—Type-selecting or type-actuating mechanisms
- B41J7/54—Selecting arrangements including combinations, permutation, summation, or aggregation means
- B41J7/68—Selecting arrangements including combinations, permutation, summation, or aggregation means with means for selectively closing an electric circuit for type presentation
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/96—Touch switches
- H03K17/964—Piezo-electric touch switches
- H03K17/9643—Piezo-electric touch switches using a plurality of detectors, e.g. keyboard
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/965—Switches controlled by moving an element forming part of the switch
- H03K17/967—Switches controlled by moving an element forming part of the switch having a plurality of control members, e.g. keyboard
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L13/00—Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00
- H04L13/16—Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00 of transmitters, e.g. code-bars, code-discs
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB45303/64A GB1028059A (en) | 1964-11-06 | 1964-11-06 | A signal generating arrangement for an electric typewriter and similar apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE671971A true BE671971A (en) | 1966-05-09 |
Family
ID=10436697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE671971D BE671971A (en) | 1964-11-06 | 1965-11-08 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3353038A (en) |
| BE (1) | BE671971A (en) |
| CH (1) | CH436789A (en) |
| DE (1) | DE1499177A1 (en) |
| FR (1) | FR1454151A (en) |
| GB (1) | GB1028059A (en) |
| NL (1) | NL6514436A (en) |
| SE (1) | SE335549B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3464531A (en) * | 1967-05-16 | 1969-09-02 | Us Army | Manual electronic keyboard |
| US3725908A (en) * | 1971-06-21 | 1973-04-03 | Control Data Corp | Impact transducer keyboard apparatus |
| GB1363215A (en) * | 1973-01-04 | 1974-08-14 | Mullard Ltd | Mechanical-electrical transducer |
| US3831730A (en) * | 1973-01-31 | 1974-08-27 | D Koeppe | Keyboards |
| US4378552A (en) * | 1977-11-21 | 1983-03-29 | Scm Corporation | Acoustic encoding apparatus |
| US4269521A (en) * | 1978-10-11 | 1981-05-26 | Scm Corporation | Key mechanism having a snap action |
| US4359613A (en) * | 1981-03-16 | 1982-11-16 | Engineering Research Applications, Inc. | Molded keyboard and method of fabricating same |
| US4359612A (en) * | 1980-09-24 | 1982-11-16 | Engineering Research Applications, Inc. | Universal keyboard and method of producing same |
| USRE32419E (en) * | 1981-03-16 | 1987-05-12 | Engineering Research Applications, Inc. | Molded keyboard and method of fabricating same |
| DE3479019D1 (en) * | 1983-12-20 | 1989-08-24 | Caterpillar Inc | Frictionally driven belted work vehicle |
| DE102007053820A1 (en) * | 2007-11-12 | 2009-05-14 | BSH Bosch und Siemens Hausgeräte GmbH | Electrical appliance switch device |
| US20190260312A1 (en) * | 2016-12-02 | 2019-08-22 | Panasonic Intellectual Property Management Co., Ltd. | Power generation device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2309703A (en) * | 1941-05-21 | 1943-02-02 | Bell Telephone Labor Inc | Alternating current generator |
| US2302081A (en) * | 1941-06-19 | 1942-11-17 | Ibm | Signaling system |
| US2464045A (en) * | 1947-03-20 | 1949-03-08 | Walter E Kuenstler | Frequency control device |
| US2921252A (en) * | 1957-05-28 | 1960-01-12 | Edward L Schiavone | Electric generator |
-
1964
- 1964-11-06 GB GB45303/64A patent/GB1028059A/en not_active Expired
-
1965
- 1965-09-20 US US488317A patent/US3353038A/en not_active Expired - Lifetime
- 1965-10-27 DE DE19651499177 patent/DE1499177A1/en active Pending
- 1965-10-28 SE SE13923/65A patent/SE335549B/xx unknown
- 1965-11-05 NL NL6514436A patent/NL6514436A/xx unknown
- 1965-11-05 CH CH1526565A patent/CH436789A/en unknown
- 1965-11-05 FR FR37434A patent/FR1454151A/en not_active Expired
- 1965-11-08 BE BE671971D patent/BE671971A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1028059A (en) | 1966-05-04 |
| NL6514436A (en) | 1966-05-09 |
| CH436789A (en) | 1967-05-31 |
| FR1454151A (en) | 1966-07-22 |
| DE1499177A1 (en) | 1969-10-23 |
| SE335549B (en) | 1971-06-01 |
| US3353038A (en) | 1967-11-14 |