Patents Assigned to Mitake Information Corporation
  • Patent number: 6937731
    Abstract: An end to end real-time encrypting process of a mobile commerce WAP data transmission section and the module of the same are disclosed. The wireless application environment (WAE) is used as a technical platform. An information encryption code security system matching a public key infrastructure is installed in the WML server end. This system includes a handset software encryption and decryption module, a cipher server, and a key management. The added cipher server dynamically downloads a public key using the HTTP service through a WAP gateway of WAN, GSM/GPRS/CDMA and other digital mobile system. When the user is desired to execute an M-commerce, the user may input commerce service according WML and then the input data is up-linked through an encryption and decryption process of the handset encryption and decryption module. After the information transfers to the WML server, it is decrypted by a public key.
    Type: Grant
    Filed: March 13, 2001
    Date of Patent: August 30, 2005
    Assignee: Mitake Information Corporation
    Inventor: Hung-Che Chiu
  • Patent number: 6748208
    Abstract: In a method of transmission for radio monitoring via digital mobile communication network, a digital cellular mobile phone with keypad, display and buzzer removed therefrom is used as an apparatus to achieve the radio monitoring. A high-sensitivity audio amplification circuit is added to a microphone in the digital cellular mobile phone and a DTMF decoding IC is added to an incoming call loop of the phone, so that the phone is able to automatically receive an incoming call and send a warning sound to prompt the caller to input a password via keys on the calling phone. The digital cellular mobile phone uses the DTMF decoding IC to verify the input password within a preset time period and enables the high-sensitivity audio amplification circuit to pick up sounds in surrounding field when the input password is verified as correct. Sounds picked up are then transmitted to the caller via the currently available digital cellular mobile phone system to achieve a field monitoring.
    Type: Grant
    Filed: March 8, 2001
    Date of Patent: June 8, 2004
    Assignee: Mitake Information Corporation
    Inventor: Hung-Che Chiu
  • Patent number: 6580929
    Abstract: A mobile phone charger also functioning as a remote sound monitoring device is provided. The charger internally includes a high-sensitive microphone, a DTMF decoder, and a central processing unit (CPU). When a handset of a mobile phone is disposed in a handset w/battery charging socket on the charger, an in-car hand-free enabling circuit in the charger is enabled for the handset in the charger to charge while entering into a hand-freemode. At this point, the charger substitutes for the handset and the CPU in the charger automatically receives signals of in-coming call over the mobile phone and the mobile phone does not ring. On receipt of a signal of an in-coming call, the CPU prompts the caller to enter a code that is decoded and compared by the DTMF decoder with a code preset in the CPU.
    Type: Grant
    Filed: September 27, 2000
    Date of Patent: June 17, 2003
    Assignee: Mitake Information Corporation
    Inventor: Hung-Che Chiu