US4499504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Video system
Assignee: Canon Inc
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Filing: 1982-03-23
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Granted: 1985-02-12
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Expires: 2002-03-23
Abstract
Abstract A video system including a video camera which has an image signal recording system for recording on a recording medium the image signal obtained from a photo-electric conversion means and a reproducing device which contains a driving mechanism for driving the medium in the video camera.
Inventors
- 👤 Hiroo Edakubo
- 👤 Masaya Maeda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:57
CPC Classifications
G; G11; G11B; G11B31/00; G11B31/006; Y; Y10; Y10S; Y10S358/00; Y10S358/906
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
136 words
A device used solely for recording image pick-up video signals, comprising: image pick-up means to convert an object image into electrical signals; recording means to record on a long sized recording medium such video signals corresponding to said electrical signals; a transporting mechanism to transport said long sized recording medium; a main motor to produce a first driving power for transporting the recording medium at a first speed by the transporting mechanism; receiving means to mechanically receive a second driving power from an external auxiliary motor provided separately from said device to produce a second driving power for transporting the recording medium at a second speed which is faster than the first speed by the transporting mechanism; and a transmission mechanism to transmit the second driving power received by said receiving means to the transporting means.
Claim 2
Independent Claim
136 words
A device used solely for recording image pick-up video signals, comprising: image pick-up means to convert an object image into electrical signals; recording means to record on a long sized recording medium such video signals corresponding to said electrical signals; a transporting mechanism to transport said long sized recording medium; a main motor to produce a first driving power for transporting the recording medium at a first speed by the transporting mechanism; receiving means to mechanically receive a second driving power from an external auxiliary motor provided separately from said device to produce a second driving power for transporting the recording medium at a second speed which is faster than the first speed by the transporting mechanism; and a transmission mechanism to transmit the second driving power received by said receiving means to the transporting means.
Claim 3
Dependent Claim
21 words
A device according to claim 1, which further comprises an opening for receiving the second driving power with the receiving means.
Claim 4
Dependent Claim
16 words
A device according to claim 2, which further comprises a cover member to cover said opening.
Claim 5
Dependent Claim
22 words
A device according to claim 3, in which said cover member is a grip to hold the device solely used for recording.
Claim 6
Dependent Claim
25 words
A device according to claim 1, in which the long sized recording medium is a magnetic tape and the recording means is a magnetic field.
Claim 7
Dependent Claim
158 words
A video system comprising: (a) a device solely used for recording image pick-up video signals, including: image pick-up means to convert an object image into electrical signals; a magnetic head to record on a magnetic tape such video signals corresponding to said electrical signals and to reproduce the video signals recorded on the magnetic tape; a transporting mechanism to transport the magnetic tape; a main motor to produce a first driving power for transporting the magnetic tape at a first speed by the transporting mechanism; clutch means to mechanically receive external driving power for actuating the transporting mechanism with external driving power; and (b) an external driving power producing device, including: an auxiliary motor to produce a second driving power for transporting the magnetic tape at a speed faster than the first speed by the transporting mechanism; and a driving power transmission mechanism to transport the second driving power of the auxiliary motor mechanically to the clutch means.
Claim 8
Dependent Claim
158 words
A video system comprising: (a) a device solely used for recording image pick-up video signals, including: image pick-up means to convert an object image into electrical signals; a magnetic head to record on a magnetic tape such video signals corresponding to said electrical signals and to reproduce the video signals recorded on the magnetic tape; a transporting mechanism to transport the magnetic tape; a main motor to produce a first driving power for transporting the magnetic tape at a first speed by the transporting mechanism; clutch means to mechanically receive external driving power for actuating the transporting mechanism with external driving power; and (b) an external driving power producing device, including: an auxiliary motor to produce a second driving power for transporting the magnetic tape at a speed faster than the first speed by the transporting mechanism; and a driving power transmission mechanism to transport the second driving power of the auxiliary motor mechanically to the clutch means.
Claim 9
Dependent Claim
23 words
A device according to claim 6, in which the device solely used for recording further comprises an opening for exposing the clutch means.
Claim 10
Dependent Claim
23 words
A device according to claim 7, in which the device solely used for recording further comprises a cover member to cover said opening.
Claim 11
Dependent Claim
22 words
A device according to claim 8, in which said cover member is a grip to hold the device solely used for recording.
Claim 12
Dependent Claim
42 words
A device according to claim 6, in which the transporting mechanism has a capstan roller to transport the magnetic tape at a constant speed, a supply reel to supply the magnetic tape and a take-up reel to take up the magnetic tape.
Claim 13
Dependent Claim
41 words
A device according to claim 10, in which the main motor drives the capstan roller and the take-up reel out of the capstan roller and said reels, while the auxiliary motor drives at least the supply reel and the take-up reel.
Claim 14
Independent Claim
144 words
A device solely used for recording image pick-up video signals, comprising: image pick-up means to convert an object image into electrical signals; recording means to record on a long sized recording medium such video signals corresponding to said electrical signals; a supply and take-up mechanism for a recording medium including a supply reel stand to supply the long sized recording medium to the recording means and a take-up reel stand to take up the recording medium; a capstan to feed the recording medium at a constant speed; a motor to provide driving power for the capstan; and a supply and take-up driving mechanism to provide the driving power of the motor for the supply and take-up mechanism; wherein the supply and take-up driving mechanism gives the driving power of the motor only to the take-up reel stand of said supply and take-up reel stands.
Claim 15
Independent Claim
144 words
A device solely used for recording image pick-up video signals, comprising: image pick-up means to convert an object image into electrical signals; recording means to record on a long sized recording medium such video signals corresponding to said electrical signals; a supply and take-up mechanism for a recording medium including a supply reel stand to supply the long sized recording medium to the recording means and a take-up reel stand to take up the recording medium; a capstan to feed the recording medium at a constant speed; a motor to provide driving power for the capstan; and a supply and take-up driving mechanism to provide the driving power of the motor for the supply and take-up mechanism; wherein the supply and take-up driving mechanism gives the driving power of the motor only to the take-up reel stand of said supply and take-up reel stands.
Claim 16
Dependent Claim
25 words
A device according to claim 12, in which the long sized recording medium is a magnetic tape and the recording means is a magnetic head.
Claim 17
Dependent Claim
164 words
A camera having a recording system built therein, in which said recording system records image pick-up video signals on a magnetic tape housed in a tape cassette, comprising: an image pick-up lens; image pick-up means to convert an optical image obtained through said image pick-up lens into electrical signals; a drum which contains a magnetic head to record such video signals corresponding to the electrical signals and to which the tape comes in contact; a tape supply and take-up mechanism including a supply reel stand to supply the magnetic tape to the magnetic head and a take-up reel stand to take up the magnetic tape; a capstan to feed the magnetic tape at a constant speed; and a transporting driving mechanism to give the driving power simultaneously to the capstan and the supply and take-up mechanism; wherein the transporting driving mechanism gives the driving power of the motor of the motor only to the take-up reel stand of said supply and take-up reel stands.
Claim 18
Dependent Claim
164 words
A camera having a recording system built therein, in which said recording system records image pick-up video signals on a magnetic tape housed in a tape cassette, comprising: an image pick-up lens; image pick-up means to convert an optical image obtained through said image pick-up lens into electrical signals; a drum which contains a magnetic head to record such video signals corresponding to the electrical signals and to which the tape comes in contact; a tape supply and take-up mechanism including a supply reel stand to supply the magnetic tape to the magnetic head and a take-up reel stand to take up the magnetic tape; a capstan to feed the magnetic tape at a constant speed; and a transporting driving mechanism to give the driving power simultaneously to the capstan and the supply and take-up mechanism; wherein the transporting driving mechanism gives the driving power of the motor of the motor only to the take-up reel stand of said supply and take-up reel stands.
Claim 19
Dependent Claim
18 words
A device according to claim 14, in which the image pick-up means is a solid image pick-up element.
References Cited (Backward Citations)
US4232329A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-02-12 | 1988-08-13 | 1989-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-02-12 | 1992-08-13 | 1993-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-02-12 | 1996-08-13 | 1997-02-12 | $7700.00 | Window Closed / Lapsed |