US20160028864A1 - Two key cellular communication device - Google Patents

Two key cellular communication device Download PDF

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Publication number
US20160028864A1
US20160028864A1 US14/803,129 US201514803129A US2016028864A1 US 20160028864 A1 US20160028864 A1 US 20160028864A1 US 201514803129 A US201514803129 A US 201514803129A US 2016028864 A1 US2016028864 A1 US 2016028864A1
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United States
Prior art keywords
key
response
incoming call
pressed
unit
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Abandoned
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US14/803,129
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Dov Moran
Itzhak Pomerantz
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Google LLC
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Google LLC
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Filing date
Publication date
Priority to US69512405P priority Critical
Priority to US11/380,944 priority patent/US7509094B2/en
Priority to US12/406,327 priority patent/US7953455B2/en
Priority to US13/106,863 priority patent/US8285342B2/en
Priority to US13/607,819 priority patent/US8755846B2/en
Priority to US14/280,879 priority patent/US20140274206A1/en
Application filed by Google LLC filed Critical Google LLC
Priority to US14/803,129 priority patent/US20160028864A1/en
Publication of US20160028864A1 publication Critical patent/US20160028864A1/en
Abandoned legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers; Analogous equipment at exchanges
    • H04M1/02Constructional features of telephone sets
    • H04M1/0202Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0254Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets comprising one or a plurality of mechanically detachable modules
    • H04M1/0256Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets comprising one or a plurality of mechanically detachable modules wherein the modules are operable in the detached state, e.g. one module for the user interface and one module for the transceiver
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3827Portable transceivers
    • H04B1/3883Arrangements for mounting batteries or battery chargers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers; Analogous equipment at exchanges
    • H04M1/02Constructional features of telephone sets
    • H04M1/0202Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0279Improving the user comfort or ergonomics
    • H04M1/0285Pen-type handsets
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers; Analogous equipment at exchanges
    • H04M1/72Substation extension arrangements; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selecting
    • H04M1/725Cordless telephones
    • H04M1/72519Portable communication terminals with improved user interface to control a main telephone operation mode or to indicate the communication status
    • H04M1/72522With means for supporting locally a plurality of applications to increase the functionality
    • H04M1/72527With means for supporting locally a plurality of applications to increase the functionality provided by interfacing with an external accessory
    • H04M1/7253With means for supporting locally a plurality of applications to increase the functionality provided by interfacing with an external accessory using a two-way short-range wireless interface
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers; Analogous equipment at exchanges
    • H04M1/72Substation extension arrangements; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selecting
    • H04M1/725Cordless telephones
    • H04M1/72519Portable communication terminals with improved user interface to control a main telephone operation mode or to indicate the communication status
    • H04M1/7258Portable communication terminals with improved user interface to control a main telephone operation mode or to indicate the communication status by using keys with multiple functionality defined by the current phone mode or status
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers; Analogous equipment at exchanges
    • H04M1/72Substation extension arrangements; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selecting
    • H04M1/725Cordless telephones
    • H04M1/72519Portable communication terminals with improved user interface to control a main telephone operation mode or to indicate the communication status
    • H04M1/72597Portable communication terminals with improved user interface to control a main telephone operation mode or to indicate the communication status wherein handling of applications is triggered by incoming communication events
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2250/00Details of telephonic subscriber devices
    • H04M2250/02Details of telephonic subscriber devices including a Bluetooth interface

Abstract

A cellular telecommunication device without a keypad, operative to receiving incoming calls, including a cellular radio for receiving incoming voice calls, a speaker for outputting voice from the cellular radio, a microphone for inputting voice to the cellular radio, a digital tape recorder, an incoming call filter, control keys A and B, and circuitry for the control keys, operative to: in response to key A being pressed, re-dial the number of a last incoming call, and in response to key B being double-clicked, set the device in a special operational mode whereby: in response to key B being pressed, start or stop said digital tape recorder, and in response to key B being subsequently pressed, activate or de-activate the incoming call filter.

Description

    CROSS-REFERENCE TO RELATED APPLICATIONS
  • This patent application claims the benefit of U.S. Provisional Patent Application No. 60/695,124, filed Jun. 30, 2005.
  • FIELD OF THE INVENTION
  • The present invention relates generally to the field of wireless telecommunication devices. More particularly, the present invention relates to small size cellular phones designed for independently receiving and responding to incoming calls.
  • BACKGROUND OF THE INVENTION
  • While components of modem cellular phones are designed to be very small in size, commercial handsets are not provided in the smallest possible form factor because of human engineering considerations. There is a lower limit, dictated by human physiognomy, on the sizes of components like a screen and a keypad.
  • Existing cellular phones known in the art are designed as an integrated device for supporting both incoming and outgoing calls.
  • As the prior art cellular phones are designed to support both incoming and outgoing calls, they have to include a keypad and a display, which consume a lot of “real estate” and are not at all essential for supporting only incoming calls. Configuring these components in an ordinary cellular phone makes it too heavy and large in size to be conveniently worn within a necklace, clipped on a T-shirt, etc.
  • However, there are many situations where a user needs to immediately respond to some incoming calls, but does not need to initiate outgoing calls with the same urgency. Such situations are typical to professionals on duty (such as medical doctors, police officers etc.) and to anyone while engaged in sporting activities (such as jogging, riding bicycles, etc.).
  • Users require different needs and expectations when handling incoming calls and outgoing calls. Some of the major differences are highlighted in the following table:
  • Aspect Incoming call Outgoing call Required response time to a stimulus 1-3 seconds Minutes Need to see a screen No Yes Need to divert a call to another party Yes No Number of clicks for the operation  1 Many Ability to batch for later execution No Yes Need to be reminded to execute No Yes Cost of operation to user ~0 Some Need background information No Yes Need to repeat on failure (busy) No Yes
  • Hence, there is a major difference between the minimum sizes of a cellular phone designed to support incoming calls only, and a cellular phone designed to support both incoming and outgoing calls.
  • A known in the art technique is a pager, i.e. an electronic device used to contact people via a paging network. A pager pre-dates mobile phone technology, but similarly uses radio transmissions to communicate between a control/call center and a recipient. Pager models in use today use digital messages, first numeric and later alphanumeric, to provide the recipient with more information. Such pagers include the ability to send messages in a two-way fashion and even include the ability to send an email. This is known as two-way paging.
  • However, the pager devices used today require the paged party (i.e. recipient) to phone the control/call centre in order to collect the message either from a cellular telephony network an operator or a voice-mail device.
  • Another existing technique for small size telephone device is to use a Bluetooth transponder (i.e. a phone that is based on Bluetooth technology) having a base unit associating to one or more handsets.
  • However, such an ordinary sized phone Bluetooth transponder is limited to supporting a base unit located only few meters away and can not serve the need described above.
  • Therefore, it would be desirable to provide a cellular phone having a minimum size foreground unit and a background unit, physically separated from the foreground unit and in local communication with the foreground unit, wherein said foreground unit supports incoming calls independently of the background unit, and wherein the foreground unit and the background unit cooperate to support outgoing calls.
  • SUMMARY OF THE INVENTION
  • Accordingly, it is a principal object of the present invention to overcome the disadvantages of prior art techniques by introducing a cellular phone having a foreground unit and a background unit that can be physically separated from the foreground unit and can be in local communication with the foreground unit. The foreground unit is implemented to support incoming calls independently of the background unit. The foreground unit and the background unit cooperate to support outgoing calls.
  • The foreground unit is implemented for supporting incoming calls independently of the background unit, whereas the implementation of the background unit enables the foreground unit to substantially support all the functionalities of a standard cellular phone configuration.
  • The present invention is further not anticipated by Bluetooth phones described herein above. The handsets of existing Bluetooth phone are not configured to independently support incoming calls. In other words, the base unit and the handsets of a Bluetooth phone must cooperate to support incoming calls.
  • In accordance with the present invention, there is provided a wireless telecommunication device including: (a) a foreground unit; and (b) a background unit, physically separated from the foreground unit and in local communication with the foreground, wherein the foreground unit supports incoming calls independently of the background unit, and wherein the foreground unit and the background unit cooperate to support outgoing calls.
  • Preferably, the foreground unit may be packaged in a form factor, such as a pen, a pen cap, a wristwatch, a necklace, etc.
  • Preferably, the foreground unit initiates the outgoing calls in response to non verbal dialing commands received from the background unit via the local communication.
  • Preferably, the foreground unit includes a user interface for setting a mode of operation of the foreground unit.
  • Preferably, the background unit, cooperatively with the foreground unit, substantially provides standard cellular telephony services such as initiating outgoing calls, receiving incoming calls, SMS for text messaging, packet switching for access to the Internet, MMS for sending and receiving photos and video, updating meetings in a calendar, recording memos, etc.
  • The local communication is wireless radio frequency communication. Alternatively, the local communication is wireless infra-red communication. Alternatively, the local communication is wired communication.
  • Preferably, the foreground unit lacks a keypad.
  • Preferably, the foreground unit lacks an alphanumeric or a graphic display.
  • Preferably, the background unit lacks a SIM card.
  • Preferably, the background unit lacks a cellular antenna.
  • Preferably, the background unit lacks a microphone.
  • Preferably, the background unit lacks a speaker.
  • In accordance with the present invention, there is further provided a method for doing business including the steps of: (a) providing a wireless telecommunication device that includes: (i) a foreground unit; and (ii) a background unit, physically separated from the foreground unit and in local communication with the foreground unit, wherein the foreground unit supports incoming calls independently of the background unit, and wherein the foreground unit and the background unit cooperate to support outgoing calls; and (b) offering the foreground unit for sale in a packaging having a form factor such as a pen, a pen-cap, a wristwatch, a necklace, etc.
  • Preferably, the background unit, cooperatively with the foreground unit, substantially provides standard cellular telephony services such as initiating outgoing calls, receiving incoming calls, SMS for text messaging, packet switching for access to the Internet, MMS for sending and receiving photos and video, updating a meeting in a calendar, recording memos, etc.
  • Additional features and advantages of the invention will become apparent from the following drawings and description.
  • BRIEF DESCRIPTION OF THE DRAWINGS
  • For a better understanding of the invention with regard to the embodiments thereof, reference is made to the accompanying drawings, in which like numerals designate corresponding sections or elements throughout, and in which:
  • FIG. 1 shows a block diagram of a foreground unit of the present invention;
  • FIG. 2 shows a block diagram of a background unit of the present invention; and
  • FIG. 3 shows the foreground unit of FIG. 1 designed with a form factor of a pen.
  • DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
  • The present invention discloses an innovative wireless telecommunication device and method including a foreground unit and a background unit that is physically separated from the foreground unit and in local communication with the foreground unit. The foreground unit is implemented to support incoming calls independently of the background unit. The foreground unit and the background unit of the present invention cooperate to support outgoing calls.
  • The foreground unit enables a user to independently support incoming calls and is designed very small in dimensions, thus enabling packaging within a form factor of a pen, a pen-cap, a wrist watch, a necklace, etc. The foreground unit is further responsive to non-verbal commands communicated from the background unit for dialing outgoing calls. The foreground unit carries out a specific outgoing call in response to a corresponding non-verbal command. The corresponding non-verbal command uniquely determines which outgoing call to dial, either directly or indirectly. The corresponding non-verbal command may be, for example, a designated number to be dialed or a person's name.
  • The foreground unit of the present invention includes a cellular telephony antenna, a transceiver, a radio subsystem, an audio amplifier, a speaker, a microphone, means for communicating with the background unit, a SIM card, and a minimum-size battery to be recharged from the background unit when plugged into the background unit.
  • Preferably, the user can initiate outgoing calls using only the foreground unit by way of responding to recent incoming calls, by using voice dialing, by pre-scheduling calls in the background unit and uploading the calls later into the foreground unit as a batch file. Hence, due to the fact that the foreground unit does not contain a full numeric keypad and a display, this unit is designed to be very small in dimensions thus enabling packaging within a form factor of a pen, a pen cap, a wrist watch, a necklace, etc. Furthermore, clue to the fact that the user will be typically be, using the foreground unit remote from the background unit only for short periods of time, the battery is a minimum-size battery supporting only a few hours of operation.
  • For initiating outgoing calls in cooperation with the foreground unit, the background unit includes components such as a keyboard, a display, a memory, means for wired or wireless communication with the foreground unit, and a battery. This battery is provided also for recharging the minimum-size battery of the foreground when the foreground unit and the background unit are plugged into each other. Due to the fact that the background unit does not need to be handy to the user at all times, it can be designed in a convenient form-factor for use with both hands, for positioning on a desk or on the lap of the user, etc.
  • Although the basic background unit of the present invention lacks a microphone and a speaker, a microphone and/or a speaker optionally can be further implemented in the background unit providing better performance.
  • The background unit, cooperatively with the foreground unit, substantially supports standard cellular telephony services, such as initiating outgoing calls, receiving incoming calls, SMS for text messaging, packet switching for access to the Internet, MMS for sending and receiving photos and video, updating a meeting in a calendar, recording memos, etc.
  • Referring now to FIG. 1, there is shown a block diagram of a foreground unit 10 of the present invention. The foreground unit 10 is provided for supporting incoming and outgoing calls and includes a CPU and memory unit 12 connected to a removable memory card 14 (e.g. SIM card). The removable memory card 14 enables to independently connect to a cellular telephony network via data specific to the user.
  • The CPU and memory unit 12 is further connected to an Audio circuit 16 (e.g. amplifying card), provided to support the audio functions of the foreground unit. Audio circuit 16 is connected to a microphone 18 and a speaker 20, which are essential for enabling the user to receive the incoming call and to respond to it accordingly.
  • The CPU and memory unit 12 is further connected to a cellular radio set 22 for carrying out telecommunication functions of the foreground unit. The cellular radio set 22 is connected to a cellular antenna 24 for transmitting and receiving electromagnetic signals.
  • The CPU and memory unit 12 is further connected to an intercom radio set 26 and to an intercom antenna 28 for wireless communication with the background unit 40 (see FIG. 2). This wireless communications is for example Bluetooth, wireless infra-red communication, UWB (Ultra Wide Band) communication, or other radio-frequency communication. The user can respond to incoming calls without any support of the background unit. For outgoing calls, the foreground unit 10 is responsive to non-verbal dialing commands (typically a number to be dialed) received from the background unit 40 via the intercom antenna 28. A specific non-verbal dialing command uniquely determines which outgoing call to dial.
  • Alternatively, the communication between the foreground and background units is a wired communication, whereby the foreground unit is plugged into the background unit, to become an integral, fully functional mobile handset.
  • The foreground unit 10 provides the wireless telecommunication in response to manipulating a user interface. According to the preferred embodiment, the user interface is configured as two control keys 34 and 36. Manipulating these two control keys 34 and 36 operates the foreground unit 10 as follows:
  • In case foreground unit 10 is in idle mode, then pressing key 34 once redials the number of the last incoming call, while double-clicking on key 36 sets the foreground unit to operate a specific functionality, as follows:
  • Re-pressing key 36 may set foreground unit 10 to respond to next outgoing call in the queue of outgoing calls (this queue can be created and controlled by the background unit 40 (see FIG. 2). Each outgoing call in the queue can include a dialing number and a short voice reminder providing the user information on the specific outgoing call. Typical voice reminders are—“call George to cancel tomorrow's breakfast”, “call Delta to reserve flight to Chicago”, or “return Bernard's call”, etc.
  • Optionally, re-pressing key 36 sets foreground unit 10 to start/stop recording. Such setting may be employed for using the foreground unit as a digital tape recorder.
  • Optionally, re-pressing key 36 sets foreground unit 10 on a caller filter on/off mode. Activating or deactivating the incoming call filter may be employed, for example, to selectively receive incoming calls.
  • Optionally, re-pressing key 36 sets foreground unit 10 on activate voice dialing—for activating and deactivating a voice dialing module, such that an outgoing call is initiated only by pronunciation of the required phone number or person's name.
  • In case foreground unit 10 is ringing (using audio circuit 16 and speaker 20), then pressing key 34, for example, initiates the incoming call, while pressing key 36, for example, rejects the incoming call.
  • In case an incoming call has begun, then pressing key 34 terminates the incoming call, while pressing key 36 toggles (starts/stops) recording of the incoming call.
  • The foreground unit 10 provides an audio feedback indicating the specific functionality in which foreground unit 10 is currently set to operate in. In one preferred embodiment, a visual indication by a couple of light emitting diodes serves as an alternative indication of the mode.
  • Although the preferred embodiment of foreground unit 10 of the present invention described above uses two keys, any convenient number of keys may be provided for supporting the functionalities described herein.
  • The foreground unit 10 further includes a battery 30 as means for providing power and a port 32, such as a standard USB port or a USB port with extra pins, for charging the foreground unit 10 and for providing a wired connection to the background unit 40 when the foreground unit 10 is not in use remotely.
  • Referring to FIG. 2, there is shown a block diagram of a background unit 40 of the present invention. Background unit 40 includes the standard components of a cellular phone, most of which can be found in any digital cellular phone, which are not provided in the foreground unit.
  • Background unit 40 includes a CPU and memory unit 42 connected to a Numeric Keypad 44. The Numeric Keypad 44 is provided in the background unit for dialing outgoing calls as well as for typing emails and other text messages.
  • Numeric Keypad 44 is further connected to a Display 46, which is provided for displaying the number of the initiated outgoing call as well as messages transmitted from the CPU.
  • CPU and memory unit 42 is further connected to a local communication system (such as a Bluetooth radio communication system) including an Intercom radio 50 and an Intercom antenna 52 for wirelessly communicating with the foreground unit 10 (see FIG. 1).
  • In one preferred embodiment, the CPU and memory unit 42 is connected to the removable memory card 14 (see FIG. 1) for conveniently storing the user's data.
  • Background unit 40 includes a battery 54 for power and a USB port 56 providing a wired connection to other computing devices, such as the foreground unit 10.
  • Referring now to FIG. 3, there is shown the foreground unit 10 of FIG. 1 designed with a form factor of a pen. Foreground unit 10 includes an electrical circuit of the CPU and memory unit 12 and the Audio unit 16 (of FIG. 1). The foreground unit 10 further includes the SIM card 14, two control keys 34, 36, the speaker 20, the microphone 18, the intercom radio set 26 and cellular radio set 22, the USB port 32, the cellular antenna 24, and the battery 30. These units are compactly and conveniently embedded in this example within a form factor of a pen.
  • Although the background unit is illustrated as lacking a microphone, it optionally may have a duplicate microphone for better performance or more convenient location than the foreground microphone.
  • Preferably, the background unit lacks a speaker. Optionally, the background unit may have a duplicate speaker for better performance or more convenient location than the foreground speaker.
  • It can be understood that other implementations and designs are possible within the scope of the invention, thus relating to any wireless telecommunication device and method having a minimum size foreground unit and a background unit, physically separated from the foreground unit and in local communication with the foreground unit, wherein said foreground unit supports incoming calls independently of the background unit, and wherein the foreground unit and the background unit cooperate to support outgoing calls, such that the background unit includes only the components that are required to enable the foreground unit such functionalities.
  • Having described the invention with regard to certain specific embodiments thereof, it is to be understood that the description is not meant as a limitation, since further modifications will now suggest themselves to those skilled in the art, and it is intended to cover such modifications as fall within the scope of the appended claims.

Claims (19)

1.-16. (canceled)
17. A cellular telecommunication device without a keypad, operative to receiving incoming calls, comprising:
a cellular radio for receiving incoming voice calls;
a speaker coupled with said cellular radio for outputting voice from said cellular radio;
a microphone coupled with said cellular radio for inputting voice to said cellular radio;
a digital tape recorder;
an incoming call filter;
control keys A and B; and
circuitry for said control keys, coupled with said cellular radio, said digital tape recorder, said incoming call filter and said control keys, operative to:
in response to key A being pressed, re-dial the number of a last incoming call, and
in response to key B being double-clicked, set the device in a special operational mode whereby:
in response to key B being pressed, start or stop said digital tape recorder, and
in response to key B being subsequently pressed, activate or de-activate said incoming call filter.
18. The cellular telecommunication device of claim 17, further comprising a dialer for dialing an outgoing call, wherein said circuitry is further operative in the special operational mode, in response to key B being subsequently pressed, to dial a next call in a pre-specified queue of outgoing calls.
19. The cellular telecommunication device of claim 17, further comprising a dialer for dialing an outgoing call, wherein said circuitry is further operative in the special operational mode, in response to key B being subsequently pressed, to activate or deactivate voice dialing via said microphone.
20. The cellular telecommunication device of claim 17, wherein said circuitry is further operative, when an incoming call is first received by said cellular radio, to accept the incoming call in response to key A being pressed, and to reject the incoming call in response to key B being pressed.
21. The cellular telecommunication device of claim 17, wherein said circuitry is further operative, when an incoming call is in progress, to terminate the incoming call in response to key A being pressed, and to start or stop recording the incoming call by said digital tape recorder in response to key B being pressed.
22. The cellular telecommunication device of claim 17 wherein said circuitry is operative to provide audio feedback via said speaker when it sets the device in the special operational mode.
23. The cellular telecommunication device of claim 17 further comprising a light emitting diode coupled with said circuitry, and wherein said circuitry is operative to provide a visual indicator via said light emitting diode when it sets the device in the special operational mode.
24. The cellular telecommunication device of claim 17 having the form factor of a pen.
25. The cellular telecommunication device of claim 17 having the form factor of a pen cap.
26. The cellular telecommunication device of claim 17 having the form factor of a necklace.
27. The cellular telecommunication device of claim 17 having the form factor of a wristwatch.
28. A method for operating a cellular telecommunication device without a keypad, having circuitry for two control keys, A and B, comprising:
in response to key A being pressed, re-dialing the number of a last incoming call;
in response to key B being double-clicked, setting the device in a special operational mode, comprising:
in response to key B being pressed, starting or stopping a digital tape recorder; and
in response to key B being subsequently pressed, activating or de-activating an incoming call filter.
29. The method of claim 28 wherein said setting the device in the special operational mode further comprises, in response to key B being subsequently pressed, dialing a next call in a pre-specified queue of outgoing calls.
30. The method of claim 28 wherein said setting the device in the special operational mode further comprises, in response to key B being subsequently pressed, activating or de-activating voice dialing.
31. The method of claim 28 further comprising, when an incoming call is first received:
in response to key A being pressed, accepting the incoming call; and
in response to key B being pressed, rejecting the incoming call.
32. The method of claim 28 further comprising, while an incoming call is in progress:
in response to key A being pressed, terminating the incoming call; and
in response key B being pressed, starting or stopping recording of the incoming call by the tape recorder.
33. The method of claim 28 wherein said setting the device in a special operational mode comprises providing audio feedback via a speaker.
34. The method of claim 28 wherein said setting the device in a special operational mode comprises providing a visual indicator via a light emitting diode.
US14/803,129 2005-06-30 2015-07-20 Two key cellular communication device Abandoned US20160028864A1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
US69512405P true 2005-06-30 2005-06-30
US11/380,944 US7509094B2 (en) 2005-06-30 2006-06-08 Wireless telecommunication device and uses thereof
US12/406,327 US7953455B2 (en) 2005-06-30 2009-03-18 Wireless telecommunication device
US13/106,863 US8285342B2 (en) 2005-06-30 2011-05-13 Wireless telecommunication device and uses thereof
US13/607,819 US8755846B2 (en) 2005-06-30 2012-09-10 Wireless telecommunication device and uses thereof
US14/280,879 US20140274206A1 (en) 2005-06-30 2014-05-19 Wireless telecommunication device and uses thereof
US14/803,129 US20160028864A1 (en) 2005-06-30 2015-07-20 Two key cellular communication device

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US14/803,129 US20160028864A1 (en) 2005-06-30 2015-07-20 Two key cellular communication device

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US14/280,879 Continuation US20140274206A1 (en) 2005-06-30 2014-05-19 Wireless telecommunication device and uses thereof

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US20160028864A1 true US20160028864A1 (en) 2016-01-28

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US11/380,944 Active 2027-08-03 US7509094B2 (en) 2005-06-30 2006-06-08 Wireless telecommunication device and uses thereof
US12/406,327 Active 2027-01-03 US7953455B2 (en) 2005-06-30 2009-03-18 Wireless telecommunication device
US13/106,863 Active US8285342B2 (en) 2005-06-30 2011-05-13 Wireless telecommunication device and uses thereof
US13/607,819 Active US8755846B2 (en) 2005-06-30 2012-09-10 Wireless telecommunication device and uses thereof
US14/280,879 Abandoned US20140274206A1 (en) 2005-06-30 2014-05-19 Wireless telecommunication device and uses thereof
US14/803,129 Abandoned US20160028864A1 (en) 2005-06-30 2015-07-20 Two key cellular communication device

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US13/106,863 Active US8285342B2 (en) 2005-06-30 2011-05-13 Wireless telecommunication device and uses thereof
US13/607,819 Active US8755846B2 (en) 2005-06-30 2012-09-10 Wireless telecommunication device and uses thereof
US14/280,879 Abandoned US20140274206A1 (en) 2005-06-30 2014-05-19 Wireless telecommunication device and uses thereof

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US8285342B2 (en) 2012-10-09
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US7953455B2 (en) 2011-05-31
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