Patent US5677727A successfully refreshed from Google Patents.
US5677727A
Expired / Lapsed
US
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Television telephone
Assignee: Hitachi Ltd
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Filing: 1995-02-07
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Granted: 1997-10-14
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Expires: 2015-02-07
Abstract
Abstract A television telephone including a movable head section, a support section and a bottom section. The movable head section includes an imaging device for inputting images and a display for displaying images. The bottom section includes a communication controller for transmission and reception of encoded information of at least one of audio and visual signals to and from a communication network, and a telephone controller for controlling transmission and reception functions and including a key console unit. The support section serves for connecting the bottom section and the movable head section and for supporting the movable head section and includes an image encoder/decoder for encoding image input signals and for decoding received image signals.
Inventors
- 👤 Hiroshi Gotoh
- 👤 Kiyoshi Ishida
- 👤 Yoji Shibata
- 👤 Masahiro Takahashi
- 👤 Masaaki Takizawa
- 👤 Kenji Yokoi
- 👤 Katsumi Mikamo
- 👤 Yoshinobu Matsubayashi
- 👤 Iwao Ishinabe
- 👤 toshiaki Watanuki
- 👤 Jun Furuya
- 👤 Takushi Yoshimaru
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 19:12
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/44; H04N5/445; H04N5/45; H04N7/00; H04N7/14; H04N7/141; H04N7/142; H04N7/147; H04N7/148; H04Q; H04Q11/00; H04Q11/04; H04Q11/0428; H04Q11/0435; H04Q11/0457; H04Q11/0471; H04Q2213/00; H04Q2213/13034; H04Q2213/13091; H04Q2213/13096; H04Q2213/13103; H04Q2213/13106; H04Q2213/13175; H04Q2213/13176; H04Q2213/13179; H04Q2213/13204; H04Q2213/13209; H04Q2213/1332; H04Q2213/13337; H04Q2213/204; H04Q2213/337
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
99 words
A television telephone comprising: an image input apparatus; an image display apparatus coupled at least to the image input apparatus; a communication control apparatus coupled at least to the image display apparatus; a key console apparatus coupled to the communication control apparatus; a telephone control apparatus coupled to the communication control apparatus; and an image codec coupled to the image input apparatus, the image display apparatus and the communication control apparatus; wherein the display apparatus enables display of an input image with the displayed input image being displayed on the display apparatus in point symmetry image rotated by 180°.
Claim 2
Dependent Claim
99 words
A television telephone comprising: an image input apparatus; an image display apparatus coupled at least to the image input apparatus; a communication control apparatus coupled at least to the image display apparatus; a key console apparatus coupled to the communication control apparatus; a telephone control apparatus coupled to the communication control apparatus; and an image codec coupled to the image input apparatus, the image display apparatus and the communication control apparatus; wherein the display apparatus enables display of an input image with the displayed input image being displayed on the display apparatus in point symmetry image rotated by 180°.
Claim 3
Dependent Claim
28 words
A television telephone according to claim 1, wherein the display apparatus is responsive to key operation of the key console apparatus for enabling display of the input image.
Claim 4
Dependent Claim
48 words
A television telephone according to claim 1, wherein the input image is a transmitting image to be transmitted to another television telephone and which is inputted from the image input apparatus, the display apparatus enabling display of at least one of a received image and the transmitting image.
Claim 5
Dependent Claim
25 words
A television telephone according to claim 3, wherein the transmitting image is one of a held image, freeze image, high quality and low quality image.
Claim 6
Dependent Claim
36 words
A television telephone according to claim 1, wherein the display apparatus enables simultaneous display of a received image at one portion of the display apparatus and the input image at another portion of the display apparatus.
Claim 7
Dependent Claim
125 words
A television telephone comprising: an image input apparatus; an image display apparatus coupled at least to the image input apparatus; a communication control apparatus coupled at least to the image display apparatus; a key console apparatus coupled to the communication control apparatus; a telephone control apparatus coupled to the communication control apparatus; and an image codec coupled to the image input apparatus, the image display apparatus and the communication control apparatus; wherein a transmitting image to be transmitted to another television telephone in response to key operation of the key console apparatus is one of a held image, freeze image, high quality image and low quality image, and wherein the image display apparatus enables display of an image in point symmetry image rotated by 180°.
Claim 8
Dependent Claim
125 words
A television telephone comprising: an image input apparatus; an image display apparatus coupled at least to the image input apparatus; a communication control apparatus coupled at least to the image display apparatus; a key console apparatus coupled to the communication control apparatus; a telephone control apparatus coupled to the communication control apparatus; and an image codec coupled to the image input apparatus, the image display apparatus and the communication control apparatus; wherein a transmitting image to be transmitted to another television telephone in response to key operation of the key console apparatus is one of a held image, freeze image, high quality image and low quality image, and wherein the image display apparatus enables display of an image in point symmetry image rotated by 180°.
Claim 9
Dependent Claim
222 words
A television telephone comprising: an image input apparatus; an image display apparatus coupled at least to the image input apparatus; a communication control apparatus coupled at least to the image display apparatus; a key console apparatus coupled to the communication control apparatus; a telephone control apparatus coupled to the communication control apparatus; and an image codec coupled to the image input apparatus, the image display apparatus and the communication control apparatus; wherein a transmitting image to be encoded/decoded is encoded/decoded in one of a first, second and third mode, wherein in the first mode, said image is at least one of encoded and decoded using a first picture element size and transmitted to another television telephone, in the second mode, said image is at least one of encoded and decoded using a larger picture element size than the first picture element size and transmitted to another television telephone at high speed, and in the third mode, said image is divided into plural parts and each part is at least one of successively encoded and decoded using said first picture element size and transmitted to another television telephone; wherein the key console apparatus includes key operation means for selecting one of the first, second and third modes, the transmitting image being transmitted in response to the key operations of the key console apparatus.
Claim 10
Dependent Claim
222 words
A television telephone comprising: an image input apparatus; an image display apparatus coupled at least to the image input apparatus; a communication control apparatus coupled at least to the image display apparatus; a key console apparatus coupled to the communication control apparatus; a telephone control apparatus coupled to the communication control apparatus; and an image codec coupled to the image input apparatus, the image display apparatus and the communication control apparatus; wherein a transmitting image to be encoded/decoded is encoded/decoded in one of a first, second and third mode, wherein in the first mode, said image is at least one of encoded and decoded using a first picture element size and transmitted to another television telephone, in the second mode, said image is at least one of encoded and decoded using a larger picture element size than the first picture element size and transmitted to another television telephone at high speed, and in the third mode, said image is divided into plural parts and each part is at least one of successively encoded and decoded using said first picture element size and transmitted to another television telephone; wherein the key console apparatus includes key operation means for selecting one of the first, second and third modes, the transmitting image being transmitted in response to the key operations of the key console apparatus.
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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) | 2000-10-13 | 2001-04-14 | 2001-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-10-13 | 2005-04-14 | 2005-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-10-13 | 2009-04-14 | 2009-10-14 | $7700.00 | Window Closed / Lapsed |