Recording apparatus including plural storage means having standby modes

• US 7,362,961 B2
• Filed: 09/22/2003
• Issued: 04/22/2008
• Est. Priority Date: 11/07/1990
• Status: Expired due to Fees

• Current Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Original Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Inventors: Kondo, Makoto, Takeshita, Shigeru
• Primary Examiner(s): NGUYEN, HUY THANH
• Application Number:
  US10/665,409
• Publication Number:
  US 20040120690A1
• Time in Patent Office: 1,674 Days
• Field of Search: 386/46, 386/112, 386/107, 386/117, 386/125
• US Class Current: 386/326
• CPC Class Codes: G11B 19/02 Control of operating function, e.g. switching from recording to reproducing
• CPC Class Codes: H04N 1/2112 using still video cameras
• CPC Class Codes: H04N 1/2137 with temporary storage before final recording, e.g. in a frame buffer
• CPC Class Codes: H04N 2101/00 Still video cameras
• CPC Class Codes: H04N 2201/214 Checking or indicating the storage space
• CPC Class Codes: H04N 5/772 the recording apparatus and the television camera being placed in the same enclosure

Abstract

A recording apparatus for recording input information via a memory and a head onto a disc rotated by a disc driver, including a mode switch which successively provides a first mode direction for waiting for the recording and a second mode direction for performing the recording. A control circuit controls the apparatus in such a manner as to place only the memory in a wait state in accordance with the first mode direction, and then stores said input information into the memory in accordance with the second mode direction, at the same time or afterwards, starts the disc driver means.

Claims

1. A recording apparatus comprising:

an image pickup, that generates an electrical image signal in response to an object image;

temporary storage, arranged to receive and to store the electrical image signal;

a recording unit, arranged to receive image information read out from said temporary storage, and which records and stores that image information;

a power supply being comprised of a battery and being arranged to supply power to said image pickup, said temporary storage and said recording unit;

a user-operated switch unit arranged to operate said power supply; and

a control unit, separate from said switch unit, that controls the power supplied by said power supply in accordance with the operation of said switch unit such that, on operation of said switch unit, said control unit initially causes said power supply to simultaneously supply power to said temporary storage and to stop power to said recording unit, wherein the supply of power to said recording unit is stopped at least until transfer of the electrical image signal is begun to said temporary storage, and then subsequently to cause said power supply to supply power to said recording unit before transfer of said electrical image signal to said temporary storage is complete.

2. An apparatus according to claim 1, wherein said temporary storage comprises a semiconductor memory.

3. An apparatus according to claim 1, wherein said recording unit comprises a dynamic memory recording means.

4. An apparatus according to claim 1, wherein said switch unit is manually operable.

5. An apparatus according to claim 1, wherein said switch unit comprises a pair of switches the second of which can be turned on only after the first has been operated.

6. An apparatus according to claim 1, wherein said power supply is adapted to utilize a battery.

7. An apparatus according to claim 6, wherein said dynamic memory recording means includes a rotary recording medium.

8. An apparatus according to claim 7, wherein said rotary recording medium comprises a disc-shaped medium.

9. An apparatus according to claim 7, wherein rotation of said rotary medium is started when the power is supplied to said recording unit by said control unit.

10. An apparatus according to claim 1, further comprising a data compressor that is arranged to receive image information that is transferred from said temporary storage to said recording unit, said data compressor performing data compression on that image information.

11. An apparatus according to claim 10, wherein the data compression is effected in accordance with a Discrete Cosine Transform algorithm.

12. An apparatus according to claim 1, further comprising a signal processing unit, and wherein some amount of signal processing is performed by the signal processing unit on the electrical image signal before the control unit causes said power supply to supply power to said recording unit.