US4916441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable handheld terminal
Assignee: McKesson Information Solutions LLC
•
Filing: 1988-09-19
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Granted: 1990-04-10
•
Expires: 2008-09-19
Abstract
Abstract A handheld pocket terminal (22) having a display screen (40) and a bar code reader (42).
Inventors
- 👤 Peter P. Gombrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:10
CPC Classifications
G; G06; G06K; G06K7/00; G06K7/10; G06K7/10544; G06K7/10821; G06K7/10881; A; A61; A61B; A61B5/00; A61B5/0002; A61B5/74; A61B5/742; A61B5/7475; G06F; G06F1/00; G06F1/16; G06F1/1613; G06F1/1632; G06F15/00; G06F15/02; G06F15/0216; G06F15/025; G06F3/00; G06F3/002; G06F3/01; G06F3/02; G06F3/023; G06F3/0231
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
188 words
A portable handheld terminal, comprising: (a) a housing; (b) programmable touch sensitive display means disposed on the housing for display of information and for entry of information whereby the response of the display means to the touch can be varied; (c) optical sensing means disposed in the housing for sensing optically transmitted information and including bar code reader means for reading bar code indicia on an object; (d) electromagnetic transceiver means disposed within the housing for transmitting and receiving electromagnetic signals; (e) detachable keyboard means detachably mounted on the housing for entry of information, the detachable keyboard means including a display for display of information, the detachable keyboard being mounted over touch sensitive the display means, the keyboard means including optical transmitter means for optically transmitting user entered information to the optical sensing means of the portable handheld terminal; (f) microcomputer control means including microprocessor and associated memory contained in the housing and operatively interconnected to the detachable keyboard means; display means, optical sensor means, and electromagnetic transceiver means for controlling operation of the portable handheld terminal; and (g) power supply means for powering the portable handheld terminal.
Claim 2
Dependent Claim
188 words
A portable handheld terminal, comprising: (a) a housing; (b) programmable touch sensitive display means disposed on the housing for display of information and for entry of information whereby the response of the display means to the touch can be varied; (c) optical sensing means disposed in the housing for sensing optically transmitted information and including bar code reader means for reading bar code indicia on an object; (d) electromagnetic transceiver means disposed within the housing for transmitting and receiving electromagnetic signals; (e) detachable keyboard means detachably mounted on the housing for entry of information, the detachable keyboard means including a display for display of information, the detachable keyboard being mounted over touch sensitive the display means, the keyboard means including optical transmitter means for optically transmitting user entered information to the optical sensing means of the portable handheld terminal; (f) microcomputer control means including microprocessor and associated memory contained in the housing and operatively interconnected to the detachable keyboard means; display means, optical sensor means, and electromagnetic transceiver means for controlling operation of the portable handheld terminal; and (g) power supply means for powering the portable handheld terminal.
Claim 3
Dependent Claim
33 words
An apparatus in accordance with claim 1, wherein the housing has a substantially flat back surface, providing for placement of the portable handheld terminal on a flat surface, thereby allowing one hand usage.
Claim 4
Dependent Claim
17 words
An apparatus in accordance with claim 1, wherein the power supply means comprises a rechargeable battery pack.
Claim 5
Dependent Claim
34 words
An apparatus in accordance with claim 3, wherein the battery pack is replaceable, the portable handheld terminal including a backup power supply to maintain information stored in memory upon removal of the battery pack.
Claim 6
Dependent Claim
25 words
An apparatus in accordance with claim 3, further including backup power supply means for maintaining information stored in the memory of the portable handheld terminal.
Claim 7
Dependent Claim
25 words
An apparatus in accordance with claim 1, wherein the portable handheld terminal includes operational on/off switch disposed on a side wall surface of the housing.
Claim 8
Dependent Claim
26 words
An apparatus in accordance with claim 1, wherein the optical sensing means comprises a non-contact point source optical device, whereby the optical sensing means is self-scanning.
Claim 9
Dependent Claim
20 words
An apparatus in accordance with claim 1, wherein the touch sensitive display means provides for graphic display of alphanumeric information.
Claim 10
Dependent Claim
40 words
An apparatus in accordance with claim 1, further comprising security means for verifying user entered user identification wherein the user must enter his/her user identifier number to gain access to information stored in the memory of the portable handheld terminal.
Claim 11
Dependent Claim
18 words
An apparatus in accordance with claim 1, wherein the housing includes a recessed opening proximate the sensing means.
Claim 12
Dependent Claim
21 words
An apparatus in accordance with claim 1, wherein the portable handheld terminal comprises ready indication means for signaling readiness for use.
Claim 13
Dependent Claim
26 words
An apparatus in accordance with claim 1, wherein the portable handheld terminal further includes status means for indicating selected operational status of the portable handheld terminal.
Claim 14
Dependent Claim
20 words
An apparatus in accordance with claim 1, wherein the status means comprises a warning indicator indicating an improper operational condition.
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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) | 1993-04-09 | 1993-10-09 | 1994-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-04-09 | 1997-10-09 | 1998-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-04-09 | 2001-10-09 | 2002-04-10 | $7700.00 | Window Closed / Lapsed |