CH557625A - CENTRIFUGAL BRAKE FOR TELEPHONE SELECTOR DISCS. - Google Patents
CENTRIFUGAL BRAKE FOR TELEPHONE SELECTOR DISCS.Info
- Publication number
- CH557625A CH557625A CH1201273A CH1201273A CH557625A CH 557625 A CH557625 A CH 557625A CH 1201273 A CH1201273 A CH 1201273A CH 1201273 A CH1201273 A CH 1201273A CH 557625 A CH557625 A CH 557625A
- Authority
- CH
- Switzerland
- Prior art keywords
- centrifugal brake
- selector discs
- telephone selector
- telephone
- discs
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/26—Devices for calling a subscriber
- H04M1/30—Devices which can set up and transmit only one digit at a time
- H04M1/31—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses
- H04M1/315—Clutches; Spring assemblies; Speed regulators, e.g. centrifugal brakes
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Braking Arrangements (AREA)
- Telephone Set Structure (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT787672A AT319342B (en) | 1972-09-14 | 1972-09-14 | Centrifugal brake for telephone dials |
Publications (1)
Publication Number | Publication Date |
---|---|
CH557625A true CH557625A (en) | 1974-12-31 |
Family
ID=3600342
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1201273A CH557625A (en) | 1972-09-14 | 1973-08-21 | CENTRIFUGAL BRAKE FOR TELEPHONE SELECTOR DISCS. |
Country Status (6)
Country | Link |
---|---|
AT (1) | AT319342B (en) |
BG (1) | BG22090A3 (en) |
CH (1) | CH557625A (en) |
DE (1) | DE2342279C3 (en) |
GB (1) | GB1405554A (en) |
IT (1) | IT993118B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3324974A1 (en) * | 1983-07-11 | 1985-01-24 | Siemens AG, 1000 Berlin und 8000 München | Centrifugal regulator for dial switches in telecommunications |
JP2575589Y2 (en) * | 1992-04-20 | 1998-07-02 | 株式会社共立 | Centrifugal clutch |
-
1972
- 1972-09-14 AT AT787672A patent/AT319342B/en not_active IP Right Cessation
-
1973
- 1973-08-21 CH CH1201273A patent/CH557625A/en not_active IP Right Cessation
- 1973-08-22 DE DE19732342279 patent/DE2342279C3/en not_active Expired
- 1973-08-31 IT IT2846073A patent/IT993118B/en active
- 1973-09-04 GB GB4149473A patent/GB1405554A/en not_active Expired
- 1973-09-06 BG BG2448873A patent/BG22090A3/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE2342279C3 (en) | 1980-03-06 |
DE2342279A1 (en) | 1974-03-21 |
AT319342B (en) | 1974-12-10 |
DE2342279B2 (en) | 1979-07-05 |
IT993118B (en) | 1975-09-30 |
BG22090A3 (en) | 1976-11-25 |
GB1405554A (en) | 1975-09-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |