BG21870A3 - Устройство за въвличане на импулсната шайба на телефонна избирателна шайба - Google Patents
Устройство за въвличане на импулсната шайба на телефонна избирателна шайбаInfo
- Publication number
- BG21870A3 BG21870A3 BG024487A BG2448773A BG21870A3 BG 21870 A3 BG21870 A3 BG 21870A3 BG 024487 A BG024487 A BG 024487A BG 2448773 A BG2448773 A BG 2448773A BG 21870 A3 BG21870 A3 BG 21870A3
- Authority
- BG
- Bulgaria
- Prior art keywords
- retracting
- impulse
- washer
- telephone dial
- dial
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Springs (AREA)
- Telephone Set Structure (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT787772A AT319343B (de) | 1972-09-14 | 1972-09-14 | Einrichtung zur Mitnahme der Impulsscheibe einer Telephonwählscheibe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BG21870A3 true BG21870A3 (bg) | 1976-09-20 |
Family
ID=3600353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BG024487A BG21870A3 (bg) | 1972-09-14 | 1973-09-06 | Устройство за въвличане на импулсната шайба на телефонна избирателна шайба |
Country Status (6)
-
1972
- 1972-09-14 AT AT787772A patent/AT319343B/de not_active IP Right Cessation
-
1973
- 1973-08-17 CH CH1188573A patent/CH563092A5/xx not_active IP Right Cessation
- 1973-08-17 DE DE19732341617 patent/DE2341617C3/de not_active Expired
- 1973-09-04 GB GB4149573A patent/GB1419435A/en not_active Expired
- 1973-09-04 IT IT2854773A patent/IT993149B/it active
- 1973-09-06 BG BG024487A patent/BG21870A3/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2341617A1 (de) | 1974-03-28 |
| DE2341617C3 (de) | 1980-04-24 |
| AT319343B (de) | 1974-12-10 |
| IT993149B (it) | 1975-09-30 |
| DE2341617B2 (de) | 1979-08-16 |
| CH563092A5 (US06623731-20030923-C00012.png) | 1975-06-13 |
| GB1419435A (en) | 1975-12-31 |
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