MX146058A - IMPROVEMENTS IN ACOUSTIC CODING DEVICE - Google Patents
IMPROVEMENTS IN ACOUSTIC CODING DEVICEInfo
- Publication number
- MX146058A MX146058A MX175686A MX17568678A MX146058A MX 146058 A MX146058 A MX 146058A MX 175686 A MX175686 A MX 175686A MX 17568678 A MX17568678 A MX 17568678A MX 146058 A MX146058 A MX 146058A
- Authority
- MX
- Mexico
- Prior art keywords
- coding device
- acoustic coding
- acoustic
- coding
- Prior art date
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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2239/00—Miscellaneous
- H01H2239/054—Acoustic pick-up, e.g. ultrasonic
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US85377877A | 1977-11-21 | 1977-11-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
MX146058A true MX146058A (en) | 1982-05-07 |
Family
ID=25316875
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX175686A MX146058A (en) | 1977-11-21 | 1978-11-21 | IMPROVEMENTS IN ACOUSTIC CODING DEVICE |
Country Status (12)
Country | Link |
---|---|
JP (1) | JPS5481728A (en) |
BR (1) | BR7807603A (en) |
CA (1) | CA1109137A (en) |
CH (1) | CH633898A5 (en) |
DE (1) | DE2850191A1 (en) |
FR (1) | FR2409488A1 (en) |
GB (1) | GB2008829B (en) |
IT (1) | IT1106321B (en) |
MX (1) | MX146058A (en) |
NL (1) | NL7811476A (en) |
SE (1) | SE7811944L (en) |
SG (1) | SG9383G (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4311991A (en) * | 1980-02-13 | 1982-01-19 | Scm Corporation | Acoustic transmission member |
US4376469A (en) * | 1981-03-23 | 1983-03-15 | Scm Corporation | Stepped acoustic transport member |
US4381501A (en) * | 1981-03-23 | 1983-04-26 | Scm Corporation | Encoding apparatus utilizing acoustic waves of controlled initial polarity |
US4364682A (en) * | 1981-10-15 | 1982-12-21 | Scm Corporation | Acoustic member mounting means for use in typewriters |
US4912462A (en) * | 1982-07-29 | 1990-03-27 | Sharp Kabushiki Kaisha | Letter input device for electronic word retrieval device |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2137683A1 (en) * | 1970-07-30 | 1972-03-30 | Science Accessoires Corp | Acoustically coupled keyboard with spark gap in pressed keys |
JPS53125726A (en) * | 1977-04-11 | 1978-11-02 | Kokusai Denshin Denwa Co Ltd | Code generator |
-
1978
- 1978-11-16 CA CA316,351A patent/CA1109137A/en not_active Expired
- 1978-11-18 DE DE19782850191 patent/DE2850191A1/en not_active Withdrawn
- 1978-11-20 SE SE7811944A patent/SE7811944L/en unknown
- 1978-11-20 FR FR7832634A patent/FR2409488A1/en active Granted
- 1978-11-20 JP JP14323278A patent/JPS5481728A/en active Granted
- 1978-11-20 CH CH1188478A patent/CH633898A5/en not_active IP Right Cessation
- 1978-11-20 BR BR7807603A patent/BR7807603A/en unknown
- 1978-11-21 GB GB7845515A patent/GB2008829B/en not_active Expired
- 1978-11-21 NL NL7811476A patent/NL7811476A/en not_active Application Discontinuation
- 1978-11-21 IT IT51982/78A patent/IT1106321B/en active
- 1978-11-21 MX MX175686A patent/MX146058A/en unknown
-
1983
- 1983-03-03 SG SG93/83A patent/SG9383G/en unknown
Also Published As
Publication number | Publication date |
---|---|
NL7811476A (en) | 1979-05-23 |
DE2850191A1 (en) | 1979-05-23 |
SE7811944L (en) | 1979-05-22 |
CH633898A5 (en) | 1982-12-31 |
FR2409488A1 (en) | 1979-06-15 |
IT7851982A0 (en) | 1978-11-21 |
JPS5756738B2 (en) | 1982-12-01 |
CA1109137A (en) | 1981-09-15 |
GB2008829B (en) | 1982-05-06 |
IT1106321B (en) | 1985-11-11 |
SG9383G (en) | 1983-12-16 |
JPS5481728A (en) | 1979-06-29 |
GB2008829A (en) | 1979-06-06 |
BR7807603A (en) | 1979-06-26 |
FR2409488B1 (en) | 1984-04-13 |
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