SE365888B - - Google Patents
Info
- Publication number
- SE365888B SE365888B SE1388571A SE1388571A SE365888B SE 365888 B SE365888 B SE 365888B SE 1388571 A SE1388571 A SE 1388571A SE 1388571 A SE1388571 A SE 1388571A SE 365888 B SE365888 B SE 365888B
- Authority
- SE
- Sweden
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/26—Circuits for superheterodyne receivers
- H04B1/28—Circuits for superheterodyne receivers the receiver comprising at least one semiconductor device having three or more electrodes
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
- G08B3/1008—Personal calling arrangements or devices, i.e. paging systems
- G08B3/1016—Personal calling arrangements or devices, i.e. paging systems using wireless transmission
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Telephone Function (AREA)
- Circuits Of Receivers In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1620470A CH508955A (en) | 1970-11-02 | 1970-11-02 | Pocket call receiver with at least one band filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE365888B true SE365888B (en) | 1974-04-01 |
Family
ID=4415275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE1388571A SE365888B (en) | 1970-11-02 | 1971-11-01 |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH508955A (en) |
| GB (1) | GB1315087A (en) |
| NL (1) | NL7115100A (en) |
| SE (1) | SE365888B (en) |
-
1970
- 1970-11-02 CH CH1620470A patent/CH508955A/en not_active IP Right Cessation
-
1971
- 1971-11-01 SE SE1388571A patent/SE365888B/xx unknown
- 1971-11-02 GB GB5086371A patent/GB1315087A/en not_active Expired
- 1971-11-02 NL NL7115100A patent/NL7115100A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2153790B2 (en) | 1975-07-31 |
| GB1315087A (en) | 1973-04-26 |
| CH508955A (en) | 1971-06-15 |
| NL7115100A (en) | 1972-05-04 |
| DE2153790A1 (en) | 1972-05-10 |