US3699667A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arithmetic teaching apparatus
Assignee: Individual
•
Filing: 1971-04-12
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Granted: 1972-10-24
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Expires: 1991-04-12
Abstract
Abstract A teacher''s unit includes means for displaying numerals defining a selected problem by the teacher. Simultaneously, the numerals defining the problem are displayed on a classroom display unit. The teacher can then display the correct answer on his own display unit but such answer will not appear on the classroom display unit. Each of the students is provided with a student''s unit connected to the classroom display means such that the student can attempt to display numerals defining the answer to the problem on the classroom display means. The student is only successful if he selects the correct answer corresponding to the answer set up by the teacher on the teacher''s display unit.
Inventors
- 👤 Peter Devera Gomez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:11
CPC Classifications
G; G09; G09B; G09B19/00; G09B19/02; G09B19/025
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
93 words
An apparatus comprising, in combination: first display means and second display means connected to each other for simultaneously displaying numerals defining a selected problem; means associated with said first display means for displaying numerals defining the answer to said problem on said first display means; and further means associated with said first and second display means being operable to display numerals defining the answer to said problem on said second display means, if the answer selected by an operator of said further means corresponds with the answer displayed on said first display means.
Claim 2
Independent Claim
93 words
An apparatus comprising, in combination: first display means and second display means connected to each other for simultaneously displaying numerals defining a selected problem; means associated with said first display means for displaying numerals defining the answer to said problem on said first display means; and further means associated with said first and second display means being operable to display numerals defining the answer to said problem on said second display means, if the answer selected by an operator of said further means corresponds with the answer displayed on said first display means.
Claim 3
Dependent Claim
41 words
An apparatus according to claim 1, in which said first display means is operated by a teacher, said second display means is visible to a large number of students in a classroom, and said third means is operable by a student.
Claim 4
Dependent Claim
129 words
a classroom answer display means; c. at least one student''s unit including a student''s answer switch means connected to said classroom answer display means; and d. means connecting said teacher''s answer switch means in series with said student''s answer switch means whereby a teacher may display a selected set of numerals defining a problem simultaneously on said teacher''s problem display means and said classroom problem display means and then operate said teacher''s answer switch means to display the answer only on said teacher''s answer display means, a student then attempting to operate his student answer display means to display the answer on said classroom answer display means with said answer only appearing on said classroom answer display means when said teacher selected answer and the student selected answer coincide.
Claim 5
Dependent Claim
129 words
a classroom answer display means; c. at least one student''s unit including a student''s answer switch means connected to said classroom answer display means; and d. means connecting said teacher''s answer switch means in series with said student''s answer switch means whereby a teacher may display a selected set of numerals defining a problem simultaneously on said teacher''s problem display means and said classroom problem display means and then operate said teacher''s answer switch means to display the answer only on said teacher''s answer display means, a student then attempting to operate his student answer display means to display the answer on said classroom answer display means with said answer only appearing on said classroom answer display means when said teacher selected answer and the student selected answer coincide.
Claim 6
Dependent Claim
29 words
a problem switch means connected to said display means whereby any selected numbers may be displayed in said display means by operating said switch means to define a problem;
Claim 7
Dependent Claim
29 words
a problem switch means connected to said display means whereby any selected numbers may be displayed in said display means by operating said switch means to define a problem;
Claim 8
Dependent Claim
6 words
a teacher''s answer display means; and
Claim 9
Dependent Claim
6 words
a teacher''s answer display means; and
Claim 10
Dependent Claim
19 words
An apparatus according to claim 2, in which said selected problem may be in addition, subtraction, multiplication or division.
Claim 11
Independent Claim
22 words
An apparatus for teaching numerals, addition, subtraction, multiplication and division to elementary classroom students, comprising in combination: a. a teacher''s unit including:
Claim 12
Independent Claim
22 words
An apparatus for teaching numerals, addition, subtraction, multiplication and division to elementary classroom students, comprising in combination: a. a teacher''s unit including:
Claim 13
Dependent Claim
41 words
a teacher''s answer switch means connected to said answer display means whereby a teacher may display numbers in said answer display means by operating said answer switch means to define the answer to said problem; b. a classroom display means including:
Claim 14
Dependent Claim
41 words
a teacher''s answer switch means connected to said answer display means whereby a teacher may display numbers in said answer display means by operating said answer switch means to define the answer to said problem; b. a classroom display means including:
Claim 15
Dependent Claim
63 words
An apparatus according to claim 4, in which each said teacher''s problem display means, answer display means, and classroom display means include horizontally aligned numeral display windows within each of which may be caused any one of the numerals 1,2,3,4,5,6,7,8,9, or 0 to appear by appropriate operation of said teacher''s problem switch means, teacher''s answer switch means, and student''s answer switch means, respectively.
Claim 16
Dependent Claim
55 words
An apparatus according to claim 5, in which said teacher''s problem switch means includes function switches for selectively displaying addition, subtraction, multiplication and division symbols, said teacher''s problem display means and classroom problem display means each including a window for displaying simultaneously a selected symbol upon operation of a corresponding one of said function switches.
Claim 17
Dependent Claim
40 words
An apparatus according to claim 6, including a plurality of student''s units connected in parallel with said one student''s unit whereby any selected student having a unit can attempt to display a correct answer on said classroom answer display means.
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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) | 1975-10-24 | 1976-04-24 | 1976-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-24 | 1980-04-24 | 1980-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-24 | 1984-04-24 | 1984-10-24 | $7700.00 | Window Closed / Lapsed |