US3622772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dial device
Assignee: Panasonic Holdings Corp
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Filing: 1968-12-02
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Granted: 1971-11-23
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Expires: 1988-12-02
Abstract
Abstract A dial device for radio receivers and other communication apparatus, which is simplified in construction, employing a band indicator plate which eclipses a display window in direct proportion to the dial adjustment, thereby producing a clear indication of the dial setting.
Inventors
- 👤 Kazuhiro Koiso
- 👤 Tadato Ozima
- 👤 Hanji Takahashi
- 👤 Soji Takada
- 👤 Akira Asai
- 👤 Toru Kokuwa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:29
CPC Classifications
H; H03; H03J; H03J1/00; H03J1/06; H03J1/10
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
121 words
A dial device comprising a panel having a display window, a dial plate parallel with said panel and located inside thereof, pilot lamps for illuminating the dial plate, a dial cord movably mounted on the device along the display window, a knob means mounted on the panel for moving the dial cord, a case mounted behind said panel and to the side of said display window, and indicator means in the form of flexible strip biased to coil up within said case, said indicator means being attached to said dial cord in such a way as to be visible through said display window and being moved into or out of said case in response to the movement of said dial cord.
Claim 2
Dependent Claim
121 words
A dial device comprising a panel having a display window, a dial plate parallel with said panel and located inside thereof, pilot lamps for illuminating the dial plate, a dial cord movably mounted on the device along the display window, a knob means mounted on the panel for moving the dial cord, a case mounted behind said panel and to the side of said display window, and indicator means in the form of flexible strip biased to coil up within said case, said indicator means being attached to said dial cord in such a way as to be visible through said display window and being moved into or out of said case in response to the movement of said dial cord.
Claim 3
Dependent Claim
52 words
A dial device according to claim 1, wherein said dial plate comprises upper and lower sections which are colors complementary to each other, and said pilot lamps have color filters which are of colors complementary to each other corresponding to said colors of the upper and lower sections of said dial plate.
Claim 4
Dependent Claim
38 words
A dial device according to claim 1, wherein said indicator means is in the form of a resilient strip where thE strip''s resilient property biases said strip in such a way as to coil up within said case.
Claim 5
Dependent Claim
61 words
A dial device according to claim 1 wherein said dial plate is formed of a transparent material, a reflector plate is provided in parallel with the rear surface of said dial plate of the same color as that of the characters on said dial plate, and a pilot lamp for illuminating said dial plate is provided sidewise of said dial plate.
Claim 6
Dependent Claim
20 words
A dial device according to claim 4, further including a translucent colored protector plate in front of said dial plate.
Claim 7
Dependent Claim
34 words
A dial device according to claim 5, further comprising a color filter interposed between said dial plate and said pilot lamp so that the dial plate per se is illuminated by color light rays.
Claim 8
Dependent Claim
178 words
A dial device comprising a panel having a display window, a dial plate parallel with said panel and located inside thereof, a pilot lamp for illuminating the dial plate, a dial cord movably mounted on the device along the display window, a knob means mounted on the panel for moving the dial cord, a case mounted behind said panel and to the side of said display window, indicator means in the form of a flexible strip biased to coil up within said case, said indicator means being attached to said dial cord in such a way as to be visible through said display window and being moved into or out of said case in response to the movement of said dial cord, said dial plate comprising upper and lower sections which are of colors complementary to each other, and a movable color filter located in front of said pilot lamp and comprising upper and lower sections which are of colors complementary to each other corresponding to said colors of the upper and lower sections of said dial plate.
Claim 9
Dependent Claim
178 words
A dial device comprising a panel having a display window, a dial plate parallel with said panel and located inside thereof, a pilot lamp for illuminating the dial plate, a dial cord movably mounted on the device along the display window, a knob means mounted on the panel for moving the dial cord, a case mounted behind said panel and to the side of said display window, indicator means in the form of a flexible strip biased to coil up within said case, said indicator means being attached to said dial cord in such a way as to be visible through said display window and being moved into or out of said case in response to the movement of said dial cord, said dial plate comprising upper and lower sections which are of colors complementary to each other, and a movable color filter located in front of said pilot lamp and comprising upper and lower sections which are of colors complementary to each other corresponding to said colors of the upper and lower sections of said dial plate.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-22 | 1975-05-24 | 1975-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-22 | 1979-05-24 | 1979-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-22 | 1983-05-24 | 1983-11-23 | $7700.00 | Window Closed / Lapsed |