GB350139A - Improvements in and relating to the reception of wireless waves - Google Patents

Improvements in and relating to the reception of wireless waves

Info

Publication number
GB350139A
GB350139A GB1197230A GB1197230A GB350139A GB 350139 A GB350139 A GB 350139A GB 1197230 A GB1197230 A GB 1197230A GB 1197230 A GB1197230 A GB 1197230A GB 350139 A GB350139 A GB 350139A
Authority
GB
United Kingdom
Prior art keywords
map
circuit
transmitting station
apertures
wave
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
Application number
GB1197230A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DONALD ROY MACGREGOR
Original Assignee
DONALD ROY MACGREGOR
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by DONALD ROY MACGREGOR filed Critical DONALD ROY MACGREGOR
Priority to GB1197230A priority Critical patent/GB350139A/en
Publication of GB350139A publication Critical patent/GB350139A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/02—Indicating arrangements
    • H03J1/04—Indicating arrangements with optical indicating means
    • H03J1/042—Means insuring a precise reading of the dial, e.g. special scale, local illumination possibly temporary, luminous point moving with the pointer

Landscapes

  • Circuits Of Receivers In General (AREA)

Abstract

350,139. Maps. MAcGREGOR, D. R., 5c, Montagu Mansions, York Street, Portman Square, London. April 15, 1930, No. 11972. Drawings to Specification. [Class 146 (ii).] In a wireless receiving set the operation of tuning automatically closes the circuit of an indicator which identifies the transmitting station on a map. In one construction the set is tuned by means of two variable condensers associated with switch arms for completing a circuit through one or other of several lamps arranged behind apertures in a map, so as to indicate the location of the transmitting station. The apertures may be covered by translucent material, e.g. red for long-wave and green for short-wave stations. The map may be embodied in the set, or hung on a wall &c.
GB1197230A 1930-04-15 1930-04-15 Improvements in and relating to the reception of wireless waves Expired GB350139A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1197230A GB350139A (en) 1930-04-15 1930-04-15 Improvements in and relating to the reception of wireless waves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1197230A GB350139A (en) 1930-04-15 1930-04-15 Improvements in and relating to the reception of wireless waves

Publications (1)

Publication Number Publication Date
GB350139A true GB350139A (en) 1931-06-11

Family

ID=9996037

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1197230A Expired GB350139A (en) 1930-04-15 1930-04-15 Improvements in and relating to the reception of wireless waves

Country Status (1)

Country Link
GB (1) GB350139A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE750151C (en) * 1933-10-24 1944-12-15 Arrangement for remote tuning of radios, in which the constant tuning takes place with the help of current- or voltage-dependent tuning means

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE750151C (en) * 1933-10-24 1944-12-15 Arrangement for remote tuning of radios, in which the constant tuning takes place with the help of current- or voltage-dependent tuning means

Similar Documents

Publication Publication Date Title
GB350139A (en) Improvements in and relating to the reception of wireless waves
GB295210A (en) Improvements in or relating to television and like systems
AU1045932A (en) Improvements in radio receiver dials
CA306309A (en) Radio receiver indicator
CA392362A (en) Radio receiver tuning dial
AU2818630A (en) Portable radio receiver
GB469795A (en) Improved arrangement for identifying in radio receiving sets having a geographical dial the station to which the set is tuned
CA322844A (en) Radio receiver
CA324449A (en) Radio receiver
CA328161A (en) Radio receiver
CA304054A (en) Radio receiver
CA314044A (en) Radio receiver
CA331519A (en) Superheterodyne radio receiver
CA334735A (en) Superheterodyne radio receiver
CA334955A (en) Superheterodyne radio receiver
CA336279A (en) Superheterodyne radio receiver
CA330021A (en) Superheterodyne radio receiver
CA351815A (en) Super-regenerative radio receiver
AU107214B2 (en) Improvements in station name indicators for radio receivers
CA361384A (en) Superheterodyne radio receiver
CA317226A (en) Radio receiving circuit
CA348468A (en) Directional radio receiver
AU106756B2 (en) Improvements in or relating to radio beacon receivers mobile craft
CA317564A (en) Radio station selector
CA311055A (en) Means for minimizing harmonics in radio receiver output circuits