US3763989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power assisted line indicator for use in typing lined copy
Assignee: Individual
•
Filing: 1971-12-23
•
Granted: 1973-10-09
•
Expires: 1991-12-23
Abstract
Abstract The drive motor of a power-assisted line indicator is energized and deenergized respectively in response to the occurrence of a preselected pause in typing activity and the subsequent renewal of typing activity.
Inventors
- 👤 D Goldman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:28
CPC Classifications
B; B41; B41J; B41J29/00; B41J29/15
Claims Analysis
Total Claims: 28
Claim 1
Independent Claim
124 words
Apparatus for use in entering the content of lined copy in a keyboard comprising: a. a plate member for supporting said lined copy; b. indicator means supported for movement relative to said plate member for indicating lines of said copy individually; c. motive means for moving said indicator means in a first direction during occurrence of a control signal; d. sensor means for generating an output signal indicative of said entering of the copy content in said keyboard; and e. circuit means responsive to said sensor means for initiating generation of said control signal upon non-occurrence of said sensor means output signal for a preselected time period and for discontinuing generation of said control signal upon subsequent occurrence of said sensor means output signal.
Claim 2
Dependent Claim
124 words
Apparatus for use in entering the content of lined copy in a keyboard comprising: a. a plate member for supporting said lined copy; b. indicator means supported for movement relative to said plate member for indicating lines of said copy individually; c. motive means for moving said indicator means in a first direction during occurrence of a control signal; d. sensor means for generating an output signal indicative of said entering of the copy content in said keyboard; and e. circuit means responsive to said sensor means for initiating generation of said control signal upon non-occurrence of said sensor means output signal for a preselected time period and for discontinuing generation of said control signal upon subsequent occurrence of said sensor means output signal.
Claim 3
Dependent Claim
23 words
The apparatus claimed in claim 1 wherein said circuit means includes first operator-controlled means for controlling the extent of said preselected time period.
Claim 4
Dependent Claim
37 words
The apparatus claimed in claim 2 including second operator-controlled means for generating a further control signal, said motive means moving said indicator means in a direction opposite said first direction during generation of said further control signal.
Claim 5
Dependent Claim
47 words
The apparatus claimed in claim 1 wherein said motive means comprises an electric motor energized by said control signal, said apparatus supporting a lead screw for rotation by said motor, said lead screw supporting a nut assembly for travel thereon, said nut assembly supporting said indicator means.
Claim 6
Dependent Claim
18 words
The apparatus claimed in claim 1 wherein said sensor means comprises an acoustic sensor contained in said apparatus.
Claim 7
Dependent Claim
113 words
In combination, in apparatus for use in entering the content of lined copy in a keyboard: a. indicator means supported for movement relative to said copy for indicating lines of said copy individually; b. motive means for moving said indicator means; c. a voltage source; d. sensor means for generating an output signal indicative of the entering of the copy content in said keyboard; and e. circuit means responsive to said sensor means for connecting said voltage source and said motive means for energizing of said motive means during each time interval between non-occurrence of said sensor means output signal for a preselected time period and recurrence of said sensor means outPut signal.
Claim 8
Dependent Claim
113 words
In combination, in apparatus for use in entering the content of lined copy in a keyboard: a. indicator means supported for movement relative to said copy for indicating lines of said copy individually; b. motive means for moving said indicator means; c. a voltage source; d. sensor means for generating an output signal indicative of the entering of the copy content in said keyboard; and e. circuit means responsive to said sensor means for connecting said voltage source and said motive means for energizing of said motive means during each time interval between non-occurrence of said sensor means output signal for a preselected time period and recurrence of said sensor means outPut signal.
Claim 9
Dependent Claim
22 words
The invention claimed in claim 6 wherein said circuit means includes operator-controlled means for controlling the extent of said preselected time period.
Claim 10
Dependent Claim
14 words
The invention claimed in claim 6 wherein said sensor means comprises an acoustic sensor.
Claim 11
Dependent Claim
112 words
In combination, in apparatus for use in entering the content of lined copy in a keyboard: a. indicator means supported for movement relative to said copy for indicating lines of said copy individually; b. motive means for moving said indicator means during occurrence of a control signal; c. sensor means for generating an output signal indicative of the entering of the copy content in said keyboard; and d. circuit means responsive to said sensor means for initiating generation of said control signal upon non-occurrence of said sensor means output signal for a preselected time period and for discontinuing generation of said control signal upon subsequent occurrence of said sensor means output signal.
Claim 12
Dependent Claim
112 words
In combination, in apparatus for use in entering the content of lined copy in a keyboard: a. indicator means supported for movement relative to said copy for indicating lines of said copy individually; b. motive means for moving said indicator means during occurrence of a control signal; c. sensor means for generating an output signal indicative of the entering of the copy content in said keyboard; and d. circuit means responsive to said sensor means for initiating generation of said control signal upon non-occurrence of said sensor means output signal for a preselected time period and for discontinuing generation of said control signal upon subsequent occurrence of said sensor means output signal.
Claim 13
Dependent Claim
22 words
The invention claimed in claim 9 wherein said circuit means includes operator-controlled means for controlling the extent of said preselected time period.
Claim 14
Dependent Claim
14 words
The invention claimed in claim 9 wherein said sensor means comprises an acoustic sensor.
Claim 15
Dependent Claim
88 words
Apparatus for highlighting individual lines of a lined copy sheet having content to be entered in a keyboard, comprising: a. a mobile casing having a line indicating marginal portion; b. drive means supporting said casing for movement on the surface of said sheet; c. sensor means for generating an output signal indicative of said entering of the copy content in said keyboard; and d. means responsive to said sensor means for energizing said drive means upon non-occurrence of said sensor means output signal for a preselected time period.
Claim 16
Dependent Claim
88 words
Apparatus for highlighting individual lines of a lined copy sheet having content to be entered in a keyboard, comprising: a. a mobile casing having a line indicating marginal portion; b. drive means supporting said casing for movement on the surface of said sheet; c. sensor means for generating an output signal indicative of said entering of the copy content in said keyboard; and d. means responsive to said sensor means for energizing said drive means upon non-occurrence of said sensor means output signal for a preselected time period.
Claim 17
Dependent Claim
110 words
Apparatus for use in entering the content of lined copy in a keyboard comprising: a. a mobile casing having a line indicating marginal portion; b. motive means for moving said casing in a first direction relative to said copy during occurrence of a control signal; c. sensor means for generating an output signal indicative of said entering of the copy content in said keyboard; and d. circuit means responsive to said sensor means for initiating generation of said control signal upon non-occurrence of said sensor means output signal for a preselected time period and for discontinuing generation of said control signal upon subsequent occurrence of said sensor means output signal.
Claim 18
Dependent Claim
110 words
Apparatus for use in entering the content of lined copy in a keyboard comprising: a. a mobile casing having a line indicating marginal portion; b. motive means for moving said casing in a first direction relative to said copy during occurrence of a control signal; c. sensor means for generating an output signal indicative of said entering of the copy content in said keyboard; and d. circuit means responsive to said sensor means for initiating generation of said control signal upon non-occurrence of said sensor means output signal for a preselected time period and for discontinuing generation of said control signal upon subsequent occurrence of said sensor means output signal.
Claim 19
Dependent Claim
23 words
The apparatus claimed in claim 13 wherein said circuit means includes first operator-controlled means for controlling the extent of said preselected time period.
Claim 20
Dependent Claim
36 words
The apparatus claimed in claim 14 including second operator-controlled means for generating a further control signal, said motive means moving said casing in a direction opposite said first direction during generation of said further control signal.
Claim 21
Dependent Claim
118 words
Apparatus for use in entering the content of lined copy in a keyboard comprising: a. a line indicator fixedly supported in said apparatus for indicating lines of said copy individually; b. copy drive means for advancing said copy in a first direction relative to said line indicator during occurrence of a control signal; c. sensor means for generating an output signal indicative of said entering of the copy content in said keyboard; and d. circuit means responsive to said sensor means for initiating generation of said control signal upon non-occurrence of said sensor means output signal for a preselected time period and for discontinuing generation of said control signal upon subsequent occurrence of said sensor means output signal.
Claim 22
Dependent Claim
118 words
Apparatus for use in entering the content of lined copy in a keyboard comprising: a. a line indicator fixedly supported in said apparatus for indicating lines of said copy individually; b. copy drive means for advancing said copy in a first direction relative to said line indicator during occurrence of a control signal; c. sensor means for generating an output signal indicative of said entering of the copy content in said keyboard; and d. circuit means responsive to said sensor means for initiating generation of said control signal upon non-occurrence of said sensor means output signal for a preselected time period and for discontinuing generation of said control signal upon subsequent occurrence of said sensor means output signal.
Claim 23
Dependent Claim
23 words
The apparatus claimed in claim 16 wherein said circuit means includes first operator-controlled means for controlling the extent of said preselected time period.
Claim 24
Dependent Claim
37 words
The apparatus claimed in claim 17 including second operator-controlled means for generating a further control signal, said copy drIve means advancing said copy in a direction opposite said first direction during generation of said further control signal.
Claim 25
Dependent Claim
95 words
In combination, in apparatus for use in entering the content of lined copy in a keyboard: a. indicator means supported for movement relative to said copy for indicating lines of said copy individually; b. motive means for moving said indicator means during occurrence of a control signal; c. sensor means for generating an output signal indicative of the entering of the copy content in said keyboard; and d. circuit means responsive to said sensor means for initiating generation of said control signal upon non-occurrence of said sensor means output signal for a preselected time period.
Claim 26
Dependent Claim
95 words
In combination, in apparatus for use in entering the content of lined copy in a keyboard: a. indicator means supported for movement relative to said copy for indicating lines of said copy individually; b. motive means for moving said indicator means during occurrence of a control signal; c. sensor means for generating an output signal indicative of the entering of the copy content in said keyboard; and d. circuit means responsive to said sensor means for initiating generation of said control signal upon non-occurrence of said sensor means output signal for a preselected time period.
Claim 27
Dependent Claim
22 words
The invention claimed in claim 19 wherein said circuit means includes operator-controlled means for controlling the extent of said preselected time period.
Claim 28
Dependent Claim
14 words
The invention claimed in claim 19 wherein said sensor means comprises an acoustic sensor.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-10-08 | 1977-04-09 | 1977-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-08 | 1981-04-09 | 1981-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-08 | 1985-04-09 | 1985-10-09 | $7700.00 | Window Closed / Lapsed |