BE416045A - - Google Patents
Info
- Publication number
- BE416045A BE416045A BE416045DA BE416045A BE 416045 A BE416045 A BE 416045A BE 416045D A BE416045D A BE 416045DA BE 416045 A BE416045 A BE 416045A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
- H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
- H04Q3/625—Arrangements in the private branch exchange
-
- 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
- H04M1/27—Devices whereby a plurality of signals may be stored simultaneously
- H04M1/272—Devices whereby a plurality of signals may be stored simultaneously with provision for storing only one subscriber number at a time, e.g. by keyboard or dial
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
- H04M17/02—Coin-freed or check-freed systems, e.g. mobile- or card-operated phones, public telephones or booths
- H04M17/023—Circuit arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Prepayment Telephone Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2812835A GB464109A (en) | 1935-10-11 | 1935-10-11 | Improvements in or relating to electric signalling systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE416045A true BE416045A (no) |
Family
ID=10270703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE416045D BE416045A (no) | 1935-10-11 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE416045A (no) |
| GB (1) | GB464109A (no) |
| NL (1) | NL47275C (no) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114834507B (zh) * | 2022-04-14 | 2023-08-22 | 北京华元智通科技有限公司 | 一种用于ibp按钮的远程监控管理系统 |
-
0
- BE BE416045D patent/BE416045A/xx unknown
- NL NL47275D patent/NL47275C/xx active
-
1935
- 1935-10-11 GB GB2812835A patent/GB464109A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB464109A (en) | 1937-04-12 |
| NL47275C (no) |