Patent US4646158A successfully refreshed from Google Patents.
← Back to Patent Explorer
US4646158A Expired / Lapsed US ⏱️ 0.0 years remaining

Liquid crystal television receiver

Assignee: Citizen Watch Co Ltd
•
Filing: 1985-10-03
•
Granted: 1987-02-24
•
Expires: 2005-10-03
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A liquid crystal television receiver has a first housing containing a television receiving circuit, a mirror mounted on an upper portion thereof, and a battery for driving the television receiving circuit, a second housing containing a liquid crystal display panel, and a third housing containing a light emitting element. The first, second and third housings are pivotally connected with each other at rear portions thereof, respectively.

Inventors

  • 👤 Hideshi Ohno
  • 👤 Akira Tsuzuki
  • 👤 Toshiaki Oguchi
  • 👤 Shigeru Futami
  • 👤 Masaru Yoshida
  • 👤 Satoshi Kimura
  • 👤 Hiroyuki Uematsu
  • 👤 Kouichi Nakajima
  • 👤 Katuo Matsuyama
  • 👤 Hiroya Sakamoto
  • 👤 Yasuhiko Takayama
  • 👤 Osamu Matsumura
  • 👤 Toshio Sakaguchi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 15:46
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/64; H04N5/655; H04N5/66; H04N5/70

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 112 words
A liquid crystal television receiver comprising: a first housing containing a television receiving circuit including, a tuner, a video and sound intermediate frequency signal processing circuit, and an electroacoustic transducer for converting an aural signal to sound, manipulating means for operating the television receiving circuit, a battery for driving the television receiving circuit, and a mirror mounted on an upper portion thereof; a second housing pivotally connected to the first housing including, a liquid crystal display panel, and a driving and controlling circuit for the liquid crystal display panel; and a third housing pivotally connected to the second housing including a light emitting element, and a driver for the light emitting element.
Claim 2
Dependent Claim 112 words
A liquid crystal television receiver comprising: a first housing containing a television receiving circuit including, a tuner, a video and sound intermediate frequency signal processing circuit, and an electroacoustic transducer for converting an aural signal to sound, manipulating means for operating the television receiving circuit, a battery for driving the television receiving circuit, and a mirror mounted on an upper portion thereof; a second housing pivotally connected to the first housing including, a liquid crystal display panel, and a driving and controlling circuit for the liquid crystal display panel; and a third housing pivotally connected to the second housing including a light emitting element, and a driver for the light emitting element.
Claim 3
Dependent Claim 24 words
The liquid crystal television receiver according to claim 1 wherein the liquid crystal display panel is arranged to transmit light from the outside surroundings.
Claim 4
Dependent Claim 26 words
The liquid crystal television receiver according to claim 2 wherein the first, second and third housings are connected with each other at rear portions thereof, respectively.
Claim 5
Dependent Claim 22 words
The liquid crystal television receiver according to claim 3 wherein the third housing is arranged to cover the liquid crystal display panel.
Claim 6
Dependent Claim 30 words
The liquid crystal television receiver according to claim 3 wherein the second housing is connected to the first housing at a lower portion than the top of the first housing.
Claim 7
Dependent Claim 22 words
The liquid crystal television receiver according to claim 3 wherein the third housing is arranged to rotate together with the second housing.

References Cited (Backward Citations)

US4403216A Cited
US4443819A Cited
JPS59208528A Cited
US4561044A Cited
GB2147765A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1990-02-23 1990-08-25 1991-02-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1994-02-23 1994-08-25 1995-02-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1998-02-23 1998-08-25 1999-02-24 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag