JPH0132440Y2 - - Google Patents
Info
- Publication number
- JPH0132440Y2 JPH0132440Y2 JP10319280U JP10319280U JPH0132440Y2 JP H0132440 Y2 JPH0132440 Y2 JP H0132440Y2 JP 10319280 U JP10319280 U JP 10319280U JP 10319280 U JP10319280 U JP 10319280U JP H0132440 Y2 JPH0132440 Y2 JP H0132440Y2
- Authority
- JP
- Japan
- Prior art keywords
- dial
- oscillator
- pushbutton
- circuit
- signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000010355 oscillation Effects 0.000 claims description 16
- 230000002159 abnormal effect Effects 0.000 claims description 12
- 239000003990 capacitor Substances 0.000 claims description 12
- 230000002265 prevention Effects 0.000 claims description 3
- 230000010287 polarization Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 7
- 238000012544 monitoring process Methods 0.000 description 3
- 230000004913 activation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Landscapes
- Prepayment Telephone Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10319280U JPH0132440Y2 (en]) | 1980-07-23 | 1980-07-23 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10319280U JPH0132440Y2 (en]) | 1980-07-23 | 1980-07-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5728543U JPS5728543U (en]) | 1982-02-15 |
JPH0132440Y2 true JPH0132440Y2 (en]) | 1989-10-04 |
Family
ID=29464585
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10319280U Expired JPH0132440Y2 (en]) | 1980-07-23 | 1980-07-23 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0132440Y2 (en]) |
-
1980
- 1980-07-23 JP JP10319280U patent/JPH0132440Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5728543U (en]) | 1982-02-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS6113523A (ja) | 電話機におけるラツチング・リレ−駆動回路 | |
US4472602A (en) | Telephone set with transducer/ringer | |
JPH0132440Y2 (en]) | ||
JPH0127316Y2 (en]) | ||
JPS6312604Y2 (en]) | ||
JPS6312603Y2 (en]) | ||
JPS6042542Y2 (ja) | 押ボタンダイヤル電話機回路 | |
JPS6318205Y2 (en]) | ||
JPS5816287Y2 (ja) | 発振器の制御回路 | |
JPS6337547B2 (en]) | ||
JPH0326712Y2 (en]) | ||
JPS6325792Y2 (en]) | ||
JPS6325791Y2 (en]) | ||
JPH0246141Y2 (en]) | ||
KR910003919B1 (ko) | 온 후크 다이얼 장치의 오동작 방지회로 | |
JPH0450787B2 (en]) | ||
JPH0221812Y2 (en]) | ||
JP2859907B2 (ja) | 網制御装置 | |
JPH0238529Y2 (en]) | ||
JPS5914953B2 (ja) | 継電器駆動回路 | |
JPS6046918B2 (ja) | ボタン電話装置における局線接続制御方式 | |
JPH0526381B2 (en]) | ||
JPH083079Y2 (ja) | 電話端末直流回路 | |
JPH018061Y2 (en]) | ||
KR870001638B1 (ko) | 전화기의 후크 프레시(Hook Flash)회로 |