CS225657B1 - Connection of the telephon apparatus for the subscriber's line and the shared line - Google Patents
Connection of the telephon apparatus for the subscriber's line and the shared line Download PDFInfo
- Publication number
- CS225657B1 CS225657B1 CS775742A CS574277A CS225657B1 CS 225657 B1 CS225657 B1 CS 225657B1 CS 775742 A CS775742 A CS 775742A CS 574277 A CS574277 A CS 574277A CS 225657 B1 CS225657 B1 CS 225657B1
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- resistor
- capacitor
- transistor
- connection
- line
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/58—Anti-side-tone circuits
- H04M1/585—Anti-side-tone circuits implemented without inductive element
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/71—Substation extension arrangements
- H04M1/715—Substation extension arrangements using two or more extensions per line
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
- Telephonic Communication Services (AREA)
- Telephone Function (AREA)
- Devices For Supply Of Signal Current (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DD19495576A DD127119B1 (me) | 1976-09-23 | 1976-09-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
CS225657B1 true CS225657B1 (en) | 1984-02-13 |
Family
ID=5505821
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CS775742A CS225657B1 (en) | 1976-09-23 | 1977-09-02 | Connection of the telephon apparatus for the subscriber's line and the shared line |
Country Status (7)
Country | Link |
---|---|
CS (1) | CS225657B1 (me) |
CU (1) | CU34755A (me) |
DD (1) | DD127119B1 (me) |
DE (1) | DE2732532C2 (me) |
HU (1) | HU176960B (me) |
RO (1) | RO80538B1 (me) |
YU (1) | YU39255B (me) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2159150C3 (de) * | 1971-11-29 | 1978-07-27 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Schaltungsanordnung für zentralgespeiste Teilnehmerstationen mit eine Widerstandsbrücke enthaltenden Sprechschaltungen |
-
1976
- 1976-09-23 DD DD19495576A patent/DD127119B1/xx unknown
-
1977
- 1977-07-19 DE DE2732532A patent/DE2732532C2/de not_active Expired
- 1977-08-23 CU CU34755A patent/CU34755A/es unknown
- 1977-09-02 CS CS775742A patent/CS225657B1/cs unknown
- 1977-09-09 HU HU77FE1007A patent/HU176960B/hu unknown
- 1977-09-20 YU YU2223/77A patent/YU39255B/xx unknown
- 1977-09-21 RO RO91626A patent/RO80538B1/ro unknown
Also Published As
Publication number | Publication date |
---|---|
CU34755A (es) | 1983-10-04 |
RO80538A2 (ro) | 1984-03-15 |
CU20982L (es) | 1981-04-20 |
DD127119B1 (me) | 1981-05-27 |
DD127119A1 (me) | 1977-09-07 |
HU176960B (hu) | 1981-06-28 |
DE2732532A1 (de) | 1978-03-30 |
YU39255B (en) | 1984-10-31 |
DE2732532C2 (de) | 1986-04-17 |
YU222377A (en) | 1982-02-28 |
RO80538B1 (ro) | 1984-03-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6920313B2 (en) | Cellular based universal telephone system adapted for both cellular and land line mimicked service | |
JPS5830783B2 (ja) | デンワ ニ カンスル カイリヨウ | |
US3644681A (en) | Cordless telephone system | |
US3028452A (en) | Loudspeaking telephone using transistors | |
US3586978A (en) | Touch calling radio telephone terminal | |
US4167655A (en) | Push button to rotary dial converter systems | |
CN1258159A (zh) | 用于辅助设备的由电话线供电的电源及其操作方法 | |
KR100309079B1 (ko) | 모뎀을구비한전화기장치 | |
CS225657B1 (en) | Connection of the telephon apparatus for the subscriber's line and the shared line | |
US4336423A (en) | Device for increasing the parallel inductance of a transformer | |
US3132211A (en) | Dial light for telephone substation set | |
US4053716A (en) | Switching network with a crosstalk elimination capability | |
US3617646A (en) | Multifrequency oscillator employing solid-state device switching for frequency selection | |
US3708634A (en) | Telephone hand test set | |
RU2007879C1 (ru) | Концентратор | |
US2885484A (en) | Telephone apparatus employing transistor amplifiers | |
EP0556742B1 (en) | Acoustic feedback suppression device particularly for auxiliary ringers in plug-in telephone systems | |
US4178484A (en) | Long line telephone system with an amplifying substation | |
US3798379A (en) | Connector terminal dial repulser | |
SU1190536A1 (ru) | Телефонна диктофонна система | |
Shirasu et al. | A CMOS SLIC with an automatic balancing hybrid | |
US4004107A (en) | Telephone circuit to eliminate use of a hold button | |
CN2255698Y (zh) | 简易电话交换装置 | |
CN2249470Y (zh) | 家用电话交换器 | |
SU1561210A1 (ru) | Устройство дл совмещенного включени телефонных аппаратов |