IT1175355B - Pushbutton tuner esp. for car radio - has switching V=shaped slide moved by stops on rotatable support on each key - Google Patents

Pushbutton tuner esp. for car radio - has switching V=shaped slide moved by stops on rotatable support on each key

Info

Publication number
IT1175355B
IT1175355B IT1261178A IT1261178A IT1175355B IT 1175355 B IT1175355 B IT 1175355B IT 1261178 A IT1261178 A IT 1261178A IT 1261178 A IT1261178 A IT 1261178A IT 1175355 B IT1175355 B IT 1175355B
Authority
IT
Italy
Prior art keywords
key
stops
switching
esp
shaped slide
Prior art date
Application number
IT1261178A
Other languages
Italian (it)
Other versions
IT7812611A0 (en
Original Assignee
Ri El Ricerche Elettroniche
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 Ri El Ricerche Elettroniche filed Critical Ri El Ricerche Elettroniche
Priority to IT1261178A priority Critical patent/IT1175355B/en
Publication of IT7812611A0 publication Critical patent/IT7812611A0/en
Priority to DE2829514A priority patent/DE2829514C2/en
Priority to US05/924,485 priority patent/US4189949A/en
Priority to FR7821625A priority patent/FR2397752A1/en
Priority to GB7829802A priority patent/GB2002610B/en
Priority to JP53084610A priority patent/JPS5934007B2/en
Priority to BR7804516A priority patent/BR7804516A/en
Application granted granted Critical
Publication of IT1175355B publication Critical patent/IT1175355B/en

Links

Landscapes

  • Structure Of Receivers (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)

Abstract

The tuner has parallel keys in row, with stops on each key, rotatable about an axis perpendicular to the key surface. They can be permitted or prevented from moving by blocking devices also mounted on the keys and moved in and out by the key operation. They interact with a V-shaped recess in a switching slide operationally connected with the tuner and movable w.r.t. the keys. Each key (33) stop consists of two stops (47, 48) mounted at a distance from each other on a rotatable and lockable support (49), so that when the key (33) is pressed down, one of the stops (47, 48) is first to run against the sloping edge of the V-shaped recess (46). It moves the switching slide (18) until the other stop reaches the other edge of the recess (46) and stops the slide (18).
IT1261178A 1977-07-14 1978-05-12 Pushbutton tuner esp. for car radio - has switching V=shaped slide moved by stops on rotatable support on each key IT1175355B (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IT1261178A IT1175355B (en) 1978-05-12 1978-05-12 Pushbutton tuner esp. for car radio - has switching V=shaped slide moved by stops on rotatable support on each key
DE2829514A DE2829514C2 (en) 1977-07-14 1978-07-05 Push button coordinator
US05/924,485 US4189949A (en) 1977-07-14 1978-07-13 Pushbutton tuner
FR7821625A FR2397752A1 (en) 1977-07-14 1978-07-13 PUSH-BUTTON TUNING DEVICE
GB7829802A GB2002610B (en) 1977-07-14 1978-07-13 Pushbutton tuner
JP53084610A JPS5934007B2 (en) 1977-07-14 1978-07-13 push button tuner
BR7804516A BR7804516A (en) 1977-07-14 1978-07-13 KEYBOARD TUNER

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1261178A IT1175355B (en) 1978-05-12 1978-05-12 Pushbutton tuner esp. for car radio - has switching V=shaped slide moved by stops on rotatable support on each key

Publications (2)

Publication Number Publication Date
IT7812611A0 IT7812611A0 (en) 1978-05-12
IT1175355B true IT1175355B (en) 1987-07-01

Family

ID=11142176

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1261178A IT1175355B (en) 1977-07-14 1978-05-12 Pushbutton tuner esp. for car radio - has switching V=shaped slide moved by stops on rotatable support on each key

Country Status (1)

Country Link
IT (1) IT1175355B (en)

Also Published As

Publication number Publication date
IT7812611A0 (en) 1978-05-12

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