Patent US1944707A successfully refreshed from Google Patents.
Patent EP0321077A2 successfully refreshed from Google Patents.
EP0321077A2
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Apparatus and method for recording a digital signal
Assignee: Sony Corp
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Filing: 1988-10-26
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Granted: —
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Expires: 2008-10-26
Abstract
Abstract An apparatus and method for recording digital data employing a DAT (digital audio tape recorder) adapted to record the data from a computer or the like in accordance with the DAT format, wherein a unit is formed of predetermined plural frames and a signal indicative of the frame number serially continuing in the unit and a signal indicative of the last frame of the unit are recorded, whereby the length of the unit can be arbitrarily changed and accordingly signal processing is facilitated easily.
Inventors
- 👤 Yoshizumi Inazawa
- 👤 Masaki Yamada
- 👤 Shinya Ozaki
- 👤 Tatsuya Iijima
- 👤 Hiroshi Ishibashi
- 👤 Kentaro Odaka
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-03 17:15
CPC Classifications
G; G06; G06F; G06F3/00; G06F3/06; G06F3/0601; G11; G11B; G11B20/00; G11B20/10; G11B20/12; G11B20/1201; G11B20/1207; G11B20/1209; G11B20/18; G11B20/1806; G11B20/1809; G11B27/00; G11B27/02; G11B27/031; G11B27/036; G11B27/10; G11B27/19; G11B27/28; G11B27/30; G11B27/3027; G11B27/3063; G06F3/0668; G06F3/0671; G06F3/0673; G06F3/0682; G11B20/1211; G11B2220/00; G11B2220/90; G11B2220/91; G11B2220/913; G11B27/032
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
40 words
An apparatus for recording a digital signal in tracks formed on a recording medium, comprising: means for determining a unit formed of a plurality of tracks; and means for recording a signal indicative of the last track of the unit.
Claim 2
Independent Claim
40 words
An apparatus for recording a digital signal in tracks formed on a recording medium, comprising: means for determining a unit formed of a plurality of tracks; and means for recording a signal indicative of the last track of the unit.
Claim 3
Dependent Claim
29 words
An apparatus for recording a digital signal according to claim 1, wherein said signal indicative of the last track of the unit is recorded in a main data area.
Claim 4
Dependent Claim
28 words
An apparatus for recording a digital signal according to claim 1 further including means for recording a number indicative of the sequence of the tracks in said unit.
Claim 5
Dependent Claim
19 words
An apparatus for recording a digital signal according to claim 1 further including a rotary head type tape recorder.
Claim 6
Dependent Claim
39 words
An apparatus for recording a digital signal according to claim 1 further including: means for detecting said signal indicative of the last track of the unit; and means for overwriting a digital signal on the basis of the detection.
Claim 7
Dependent Claim
26 words
An apparatus for recording a digital signal according to claim 4 further including means for recording an amble signal prior to over writing the digital signal.
Claim 8
Dependent Claim
27 words
An apparatus for recording a digital signal according to claim 1 further including means for recording a signal indicative of invalidity of the digital signal recorded thereafter.
Claim 9
Dependent Claim
27 words
An apparatus for recording a digital signal according to claim 7, wherein said signal indicative of invalidity of the digital signal is recorded in a sub-data area.
Claim 10
Independent Claim
39 words
A method for recording a digital signal in tracks formed on a recording medium, comprising the steps of: determining a unit formed of a plurality of tracks; and recording a signal indicative of the last track of the unit.
Claim 11
Independent Claim
39 words
A method for recording a digital signal in tracks formed on a recording medium, comprising the steps of: determining a unit formed of a plurality of tracks; and recording a signal indicative of the last track of the unit.
Claim 12
Dependent Claim
29 words
A method for recording a digital signal according to claim 1, wherein said signal indicative of the last track of the unit is recorded in a main data area.
Claim 13
Dependent Claim
28 words
A method for recording a digital signal according to claim 1 further including the step of recording a number indicative of sequence of the tracks in said unit.
Claim 14
Dependent Claim
23 words
A method for recording a digital signal according to claim 1 further including the step of using a rotary head type tape recorder.
Claim 15
Dependent Claim
38 words
A method for recording a digital signal according to claim 9 further including the step of: detecting said signal indicative of the last track of the unit; and overwriting a digital signal on the basis of the detection.
Claim 16
Dependent Claim
26 words
A method for recording a digital signal according to claim 12 further including the step of recording an amble signal prior to overwriting the digital signal.
Claim 17
Dependent Claim
28 words
A method for recording a digital signal according to claim 9 further including the step of recording a signal indicative of invalidity of the digital signal recorded thereafter.
Claim 18
Dependent Claim
26 words
A method for recording a digital signal according to claim 15,wherein said signal indicative of invalidity of the digital signal is recorded in a sub-data area.
References Cited (Backward Citations)
No citation records indexed.
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