GB462460A - Improvements in receivers for radio communication - Google Patents
Improvements in receivers for radio communicationInfo
- Publication number
- GB462460A GB462460A GB1945835A GB1945835A GB462460A GB 462460 A GB462460 A GB 462460A GB 1945835 A GB1945835 A GB 1945835A GB 1945835 A GB1945835 A GB 1945835A GB 462460 A GB462460 A GB 462460A
- Authority
- GB
- United Kingdom
- Prior art keywords
- receiver
- sockets
- socket
- circuit
- radio
- 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
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/24—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
- H03J5/242—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection
Landscapes
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Abstract
462,460. Wireless receiving-apparatus. MURPHY RADIO, Ltd., and SHACKELL, A. July 8, 1936, No. 19458/35. Addition to 443,423. [Class 40 (v)] [Also in Group XXXVI] A radio-receiver is provided with interchangeable impedance units which comprise or complete the tuned circuits of the receiver, the latter being fixedtuned to desired stations when plugged into sockets on the receiver. Figs. 1 and 2 show respectively the socket and impedance unit, the latter comprising two condensers 10 separated by a screen 13. The spring legs 12 engage the sockets 4 which are also screened at 7 ; a spring-contact 3 connects the unit case 9 to the socket 1. Fig. 4 shows a number of single units 1 arranged round a circular stud switch 15, 16 by which they may be selectively switched into circuit. Accurate tuning may be automatically effected by an arrangement such as described in the parent Specification, the invention being specially applicable to a superheterodyne receiver in which the intermediate frequency is higher than the highest received frequency, the only tuning variable being the circuit of the local oscillator. Specification 437,442 is referred to.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1945835A GB462460A (en) | 1936-07-08 | 1936-07-08 | Improvements in receivers for radio communication |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1945835A GB462460A (en) | 1936-07-08 | 1936-07-08 | Improvements in receivers for radio communication |
Publications (1)
Publication Number | Publication Date |
---|---|
GB462460A true GB462460A (en) | 1937-03-10 |
Family
ID=10129685
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1945835A Expired GB462460A (en) | 1936-07-08 | 1936-07-08 | Improvements in receivers for radio communication |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB462460A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2424197A (en) * | 1943-01-02 | 1947-07-15 | Budd Co | Connector block |
-
1936
- 1936-07-08 GB GB1945835A patent/GB462460A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2424197A (en) * | 1943-01-02 | 1947-07-15 | Budd Co | Connector block |
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