US5555459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antenna means for hand-held data terminals
Assignee: Callahan Cellular LLC
•
Filing: 1993-02-18
•
Granted: 1996-09-10
•
Expires: 2013-02-18
Abstract
Abstract An antenna for a hand held RF transceiver terminals includes an antenna element which is encapsulated by material which does not detrimentally effect its antenna performance, but which closely conforms the antenna to the general shape of the terminal without having the antenna extend directly from the terminal.
Inventors
- 👤 Robert J. Kraus
- 👤 Guy J. West
- 👤 William T. Gibbs
- 👤 Patrick H. Davis
- 👤 James R. Hutton
- 👤 Bradley E. Eckley
- 👤 Richard C. Arensdorf
- 👤 Daniel R. Dias
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:58
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/12; H01Q1/22; H01Q1/24; H01Q1/241; H01Q1/242; H01Q1/243; H01Q1/08; H01Q1/088
Claims Analysis
Total Claims: 47
Claim 1
Independent Claim
85 words
An improved antenna system for a hand-held data terminal comprising a terminal housing including processing components, data input and output devices, and a radio transceiver circuit comprising: a radiating element comprising an antenna, and having a connection member for connection to the radio transceiver circuit; a second housing enclosing the antenna at least partially, the second housing and antenna substantially conforming to the shape of each other; and the second housing substantially immovably mounted to and closely conforming to the shape of the terminal housing.
Claim 2
Dependent Claim
85 words
An improved antenna system for a hand-held data terminal comprising a terminal housing including processing components, data input and output devices, and a radio transceiver circuit comprising: a radiating element comprising an antenna, and having a connection member for connection to the radio transceiver circuit; a second housing enclosing the antenna at least partially, the second housing and antenna substantially conforming to the shape of each other; and the second housing substantially immovably mounted to and closely conforming to the shape of the terminal housing.
Claim 3
Dependent Claim
16 words
The antenna system of claim 1 wherein the second housing comprises a portion of the terminal.
Claim 4
Dependent Claim
17 words
The antenna system of claim 1 wherein the second housing comprises a separate portion from the terminal.
Claim 5
Dependent Claim
21 words
The antenna system of claim 1 wherein the antenna is placed in the terminal at or near walls of the terminal.
Claim 6
Dependent Claim
21 words
The antenna system of claim 1 wherein the second housing is placed to conform substantially to the exterior of the terminal.
Claim 7
Dependent Claim
164 words
An antenna for use with a portable data terminal, the terminal having an interior and exterior and being of a size compatible with hand-held carrying and use comprising: a terminal housing having operational components in said interior, said operational components including a microprocessor for processing data and a radio transceiver, and having other operational components associated with said exterior, said other operational components including a user interface and display; an antenna assembly of a size and shape that is substantially smaller than any exterior dimensions of the terminal housing and having at least one radiating element adopted for radio frequency transmission and reception appropriate for the terminal enclosed independently from the terminal housing from direct exposure to the environment around the terminal by material which is substantially radio-energy permeable, the radiating element of the antenna assembly conforming substantially to a portion of outer perimeter dimensions of the material, said material being coupled to the terminal housing and being substantially immovable relative to the housing.
Claim 8
Dependent Claim
164 words
An antenna for use with a portable data terminal, the terminal having an interior and exterior and being of a size compatible with hand-held carrying and use comprising: a terminal housing having operational components in said interior, said operational components including a microprocessor for processing data and a radio transceiver, and having other operational components associated with said exterior, said other operational components including a user interface and display; an antenna assembly of a size and shape that is substantially smaller than any exterior dimensions of the terminal housing and having at least one radiating element adopted for radio frequency transmission and reception appropriate for the terminal enclosed independently from the terminal housing from direct exposure to the environment around the terminal by material which is substantially radio-energy permeable, the radiating element of the antenna assembly conforming substantially to a portion of outer perimeter dimensions of the material, said material being coupled to the terminal housing and being substantially immovable relative to the housing.
Claim 9
Dependent Claim
22 words
The antenna of claim 6 wherein the material which is substantially radio-energy permeable further comprises a casing closely surrounding the radiating element.
Claim 10
Dependent Claim
17 words
The antenna of claim 7 wherein the casing is positioned in the interior of the terminal housing.
Claim 11
Independent Claim
118 words
A method of eliminating an outwardly extending linear antenna for a hand-size portable data terminal with a radio transceiver circuit comprising the steps of: encasing in a radio frequency permeable material a substantial portion of a radiating element which, including the material, is of a size and shape substantially smaller than the dimensions of the terminal; designing and placing the radiating element in a position relative to the terminal where the encased radiating element does not extend substantially from any outer perimeter dimensions of the terminal and the encased radiating element closely conforms to the shape of a portion of the terminal, while the radiating element is operating, said radiating element being substantially immovable relative to the terminal.
Claim 12
Independent Claim
118 words
A method of eliminating an outwardly extending linear antenna for a hand-size portable data terminal with a radio transceiver circuit comprising the steps of: encasing in a radio frequency permeable material a substantial portion of a radiating element which, including the material, is of a size and shape substantially smaller than the dimensions of the terminal; designing and placing the radiating element in a position relative to the terminal where the encased radiating element does not extend substantially from any outer perimeter dimensions of the terminal and the encased radiating element closely conforms to the shape of a portion of the terminal, while the radiating element is operating, said radiating element being substantially immovable relative to the terminal.
Claim 13
Dependent Claim
15 words
The method of claim 9 wherein the radiating element is placed externally of the terminal.
Claim 14
Dependent Claim
15 words
The method of claim 9 wherein the radiating element is placed internally of the terminal.
Claim 15
Dependent Claim
18 words
The method of claim 9 wherein the radiating element is partially external and partially internal of the terminal.
Claim 16
Dependent Claim
21 words
The method of claim 9 wherein the radiating element is configured to perform substantially equivalently to an outwardly extending linear antenna.
Claim 17
Dependent Claim
96 words
An antenna assembly for a portable data terminal having a palm-size, generally rectangular-in-cross-section housing comprising: an antenna casing having an interior and with all portions relatively closely conforming to at least one surface of the housing of the terminal, said antenna casing being substantially immovable relative to the housing; a radiating element inside the casing having first and second ends electrically isolated from one another other than by the radiating element itself; a mounting component connecting the casing to the housing and allowing electrical connection of the radiating element to a transceiver device in the housing.
Claim 18
Dependent Claim
96 words
An antenna assembly for a portable data terminal having a palm-size, generally rectangular-in-cross-section housing comprising: an antenna casing having an interior and with all portions relatively closely conforming to at least one surface of the housing of the terminal, said antenna casing being substantially immovable relative to the housing; a radiating element inside the casing having first and second ends electrically isolated from one another other than by the radiating element itself; a mounting component connecting the casing to the housing and allowing electrical connection of the radiating element to a transceiver device in the housing.
Claim 19
Dependent Claim
16 words
The antenna assembly of claim 14 further comprising a tuning means associated with the radiating element.
Claim 20
Dependent Claim
118 words
A module including a radio frequency transceiver for removable inter-connection to a hand-held data terminal comprising: a module housing having an interior and an external portion having walls and adjacent surfaces and including at least one operational component in the interior; a transceiver in the interior of the module housing; an antenna assembly including a radiating element mounted to the external portion of the module housing and connected to the transceiver, the radiating element conforming closely to at least some of the walls and adjacent surfaces of the external portion of the module housing; and a cover member over the portion of the module housing and the radiating element, the cover comprising a substantially radio frequency permeable material.
Claim 21
Dependent Claim
118 words
A module including a radio frequency transceiver for removable inter-connection to a hand-held data terminal comprising: a module housing having an interior and an external portion having walls and adjacent surfaces and including at least one operational component in the interior; a transceiver in the interior of the module housing; an antenna assembly including a radiating element mounted to the external portion of the module housing and connected to the transceiver, the radiating element conforming closely to at least some of the walls and adjacent surfaces of the external portion of the module housing; and a cover member over the portion of the module housing and the radiating element, the cover comprising a substantially radio frequency permeable material.
Claim 22
Dependent Claim
50 words
The module of claim 16 wherein the cover member is made of a material which is substantially rigid yet resilient enough to deter damage if abutted with other objects without damage to the RF module or terminal, and at the same time allowing radio frequency energy to permeate the material.
Claim 23
Dependent Claim
120 words
A hand-held terminal having an interior and exterior and being of a size compatible with hand-held carrying and use, comprising: terminal housing having a portion substantially open to its interior and including at least one operational component in the interior; a module device removably insertable over the substantially open portion of the terminal housing; cooperating connection members in the terminal housing and module to allow releasable connection of the module to the terminal housing; and a cover member separate from the module device positioned over the substantially open portion in the terminal housing to cover the operational component in the interior of the terminal housing, said cover being located between the open portion of the terminal and the module device.
Claim 24
Dependent Claim
120 words
A hand-held terminal having an interior and exterior and being of a size compatible with hand-held carrying and use, comprising: terminal housing having a portion substantially open to its interior and including at least one operational component in the interior; a module device removably insertable over the substantially open portion of the terminal housing; cooperating connection members in the terminal housing and module to allow releasable connection of the module to the terminal housing; and a cover member separate from the module device positioned over the substantially open portion in the terminal housing to cover the operational component in the interior of the terminal housing, said cover being located between the open portion of the terminal and the module device.
Claim 25
Dependent Claim
18 words
The terminal of claim 18 wherein the cover member is made of a thin but relatively rigid material.
Claim 26
Dependent Claim
17 words
The terminal of claim 18 wherein the cover member is connectable to the terminal by releasable fasteners.
Claim 27
Dependent Claim
26 words
The terminal of claim 18 wherein the cover member includes locator holes at predetermined positions which matingly fit over locator pins extending from the terminal housing.
Claim 28
Dependent Claim
35 words
The terminal of claim 21 further comprising a relatively rigid piece having apertures lining up with the locator holes in the cover member, the piece being positionable between the cover member and the terminal housing.
Claim 29
Dependent Claim
94 words
A module including a radio frequency transceiver for removable inter-connection to a hand-held data terminal comprising: a module housing having a portion substantially open to its interior, the module having existing walls and surfaces in its interior, and including at least one operational component in the interior; a transceiver in one of the hand-held data terminal and module; and an antenna assembly including a radiating element contained within the module housing and connected to the transceiver, the radiating element conforming closely to and wrapping around the existing walls and surfaces of the module housing.
Claim 30
Dependent Claim
94 words
A module including a radio frequency transceiver for removable inter-connection to a hand-held data terminal comprising: a module housing having a portion substantially open to its interior, the module having existing walls and surfaces in its interior, and including at least one operational component in the interior; a transceiver in one of the hand-held data terminal and module; and an antenna assembly including a radiating element contained within the module housing and connected to the transceiver, the radiating element conforming closely to and wrapping around the existing walls and surfaces of the module housing.
Claim 31
Dependent Claim
25 words
The module of claim 23 wherein the walls and surfaces in which the radiating element conforms to are disposed in at least three distinct planes.
Claim 32
Independent Claim
125 words
A method of eliminating an outwardly extending linear antenna for a hand-size portable data terminal with a radio transceiver circuit comprising the steps of: encasing in a radio frequency permeable material a substantial portion of a radiating element which, including the material, is of a size and shape substantially smaller than the dimensions of the terminal; designing and placing the radiating element in a position relative to the terminal where the encased radiating element does not extend substantially from any outer perimeter dimensions of the terminal and the encased radiating element closely conforms to the outside surface of a portion of the outer perimeter dimensions of the terminal, while the radio transceiver circuit is operating, said radiating element being substantially immovable relative to the terminal.
Claim 33
Independent Claim
125 words
A method of eliminating an outwardly extending linear antenna for a hand-size portable data terminal with a radio transceiver circuit comprising the steps of: encasing in a radio frequency permeable material a substantial portion of a radiating element which, including the material, is of a size and shape substantially smaller than the dimensions of the terminal; designing and placing the radiating element in a position relative to the terminal where the encased radiating element does not extend substantially from any outer perimeter dimensions of the terminal and the encased radiating element closely conforms to the outside surface of a portion of the outer perimeter dimensions of the terminal, while the radio transceiver circuit is operating, said radiating element being substantially immovable relative to the terminal.
Claim 34
Independent Claim
80 words
A method of eliminating an outwardly extending linear antenna for a hand-size portable data terminal with a radio transceiver circuit comprising the step of: designing and placing a radiating element on the terminal where the radiating element does not extend substantially from any outer perimeter dimensions of the terminal and the radiating element closely to a portion of the walls and surface of the terminal, and where the radiating element is substantially immovable relative to the remainder of the terminal.
Claim 35
Independent Claim
80 words
A method of eliminating an outwardly extending linear antenna for a hand-size portable data terminal with a radio transceiver circuit comprising the step of: designing and placing a radiating element on the terminal where the radiating element does not extend substantially from any outer perimeter dimensions of the terminal and the radiating element closely to a portion of the walls and surface of the terminal, and where the radiating element is substantially immovable relative to the remainder of the terminal.
Claim 36
Dependent Claim
188 words
An antenna for use with a portable data terminal, the terminal having an interior and exterior and being of a size compatible with hand-held carrying and use comprising: a terminal housing having operational components in said interior, said operational components including a microprocessor for processing data and a radio transceiver, and having other operational components associated with said exterior, said other operational components including a user interface and display; and an antenna assembly of a size and shape that is substantially smaller than any exterior dimensions of the terminal housing and having at least one radiating element adopted for radio frequency transmission and reception appropriate for the terminal enclosed independently from the terminal housing from direct exposure to the environment around the terminal by material which is substantially radio-energy permeable, the material further comprising a casing closely surrounding the radiating element and rigidly attachable to the exterior of the terminal housing, said casing being substantially immovable relative to the housing when the casing is attached to the terminal housing, the radiating element of the antenna assembly conforming substantially to a portion of outer perimeter dimensions of the material.
Claim 37
Dependent Claim
188 words
An antenna for use with a portable data terminal, the terminal having an interior and exterior and being of a size compatible with hand-held carrying and use comprising: a terminal housing having operational components in said interior, said operational components including a microprocessor for processing data and a radio transceiver, and having other operational components associated with said exterior, said other operational components including a user interface and display; and an antenna assembly of a size and shape that is substantially smaller than any exterior dimensions of the terminal housing and having at least one radiating element adopted for radio frequency transmission and reception appropriate for the terminal enclosed independently from the terminal housing from direct exposure to the environment around the terminal by material which is substantially radio-energy permeable, the material further comprising a casing closely surrounding the radiating element and rigidly attachable to the exterior of the terminal housing, said casing being substantially immovable relative to the housing when the casing is attached to the terminal housing, the radiating element of the antenna assembly conforming substantially to a portion of outer perimeter dimensions of the material.
Claim 38
Dependent Claim
172 words
An antenna for use with a portable data terminal, the terminal having an interior and exterior and being of a size compatible with hand-held carrying and use comprising: a terminal housing having operational components in said interior, said operational components including a microprocessor for processing data and a radio transceiver, and having other operational components associated with said exterior, said other operational components including a user interface and display; and an antenna assembly of a size and shape that is substantially smaller than any exterior dimensions of the terminal housing and having two separate radiating elements adopted for radio frequency transmission and reception appropriate for the terminal enclosed independently from the terminal housing from direct exposure to the environment around the terminal by material which is substantially radio-energy permeable, the material further comprising a casing closely surrounding each of the radiating elements, the radiating elements of the antenna assembly each conforming substantially to a portion of outer perimeter dimensions of the material, the material being substantially immovably coupled to the terminal housing.
Claim 39
Dependent Claim
172 words
An antenna for use with a portable data terminal, the terminal having an interior and exterior and being of a size compatible with hand-held carrying and use comprising: a terminal housing having operational components in said interior, said operational components including a microprocessor for processing data and a radio transceiver, and having other operational components associated with said exterior, said other operational components including a user interface and display; and an antenna assembly of a size and shape that is substantially smaller than any exterior dimensions of the terminal housing and having two separate radiating elements adopted for radio frequency transmission and reception appropriate for the terminal enclosed independently from the terminal housing from direct exposure to the environment around the terminal by material which is substantially radio-energy permeable, the material further comprising a casing closely surrounding each of the radiating elements, the radiating elements of the antenna assembly each conforming substantially to a portion of outer perimeter dimensions of the material, the material being substantially immovably coupled to the terminal housing.
Claim 40
Dependent Claim
13 words
The antenna of claim 28 wherein the casing closely surrounds each radiating element.
Claim 41
Dependent Claim
193 words
An antenna for use with a portable data terminal, the terminal having an interior and exterior and being of a size compatible with hand-held carrying and use comprising: a terminal housing having operational components in said interior, said operational components including a microprocessor for processing data and a radio transceiver, and having other operational components associated with said exterior, said other operational components including a user interface and display, said terminal housing includes a detachable modules, said module being substantially immovable relative to the terminal housing when the module is attached to the terminal housing; an antenna assembly contained in the module, the antenna assembly being of a size and shape that is substantially smaller than any exterior dimensions of the terminal housing and having at least one radiating element adopted for radio frequency transmission and reception appropriate for the terminal enclosed independently from the terminal housing from direct exposure to the environment around the terminal by material which is substantially radio-energy permeable, the material further comprising a casing closely surrounding the radiating element, the radiating element of the antenna assembly conforming substantially to a portion of outer perimeter dimensions of the material.
Claim 42
Dependent Claim
193 words
An antenna for use with a portable data terminal, the terminal having an interior and exterior and being of a size compatible with hand-held carrying and use comprising: a terminal housing having operational components in said interior, said operational components including a microprocessor for processing data and a radio transceiver, and having other operational components associated with said exterior, said other operational components including a user interface and display, said terminal housing includes a detachable modules, said module being substantially immovable relative to the terminal housing when the module is attached to the terminal housing; an antenna assembly contained in the module, the antenna assembly being of a size and shape that is substantially smaller than any exterior dimensions of the terminal housing and having at least one radiating element adopted for radio frequency transmission and reception appropriate for the terminal enclosed independently from the terminal housing from direct exposure to the environment around the terminal by material which is substantially radio-energy permeable, the material further comprising a casing closely surrounding the radiating element, the radiating element of the antenna assembly conforming substantially to a portion of outer perimeter dimensions of the material.
Claim 43
Dependent Claim
42 words
The antenna of claim 30 wherein the module includes a frame of substantially rigid material, and a cover plate of substantially flexible, resilient material covering an opening into the interior of the module, the cover plate comprising a substantially radio-energy permeable material.
Claim 44
Dependent Claim
15 words
The antenna of claim 31 wherein the module includes operating components and the radiating element.
Claim 45
Dependent Claim
152 words
In a hand-held terminal comprising a terminal housing including processing components, data input and output devices, and a radio transceiver circuit, characterized further by a general absence of non-operational space in the terminal, the terminal including walls and adjacent surfaces, and an improved antenna system comprising: a radiating element comprising an antenna, having a connection means for connection to the radio transceiver circuit; said radiating element being at least partially contained within the terminal housing, such that the outer dimensions of the terminal housing are not expanded, and such that the radiating element conforms closely to at least some of the walls and adjacent surfaces, said radiating element being substantially immovable relative to said terminal housing; and whereby said radiating element is incorporated into said terminal housing so as to provide a functional antenna system without interfering operationally or spatially in the data terminal characterized by a general absence of non-operational space.
Claim 46
Dependent Claim
152 words
In a hand-held terminal comprising a terminal housing including processing components, data input and output devices, and a radio transceiver circuit, characterized further by a general absence of non-operational space in the terminal, the terminal including walls and adjacent surfaces, and an improved antenna system comprising: a radiating element comprising an antenna, having a connection means for connection to the radio transceiver circuit; said radiating element being at least partially contained within the terminal housing, such that the outer dimensions of the terminal housing are not expanded, and such that the radiating element conforms closely to at least some of the walls and adjacent surfaces, said radiating element being substantially immovable relative to said terminal housing; and whereby said radiating element is incorporated into said terminal housing so as to provide a functional antenna system without interfering operationally or spatially in the data terminal characterized by a general absence of non-operational space.
Claim 47
Dependent Claim
19 words
The antenna system of claim 33 wherein a majority of said radiating element is contained within the terminal housing.
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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) | 1999-09-10 | 2000-03-11 | 2000-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-09-10 | 2004-03-11 | 2004-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-09-10 | 2008-03-11 | 2008-09-10 | $7700.00 | Window Closed / Lapsed |